HCIP Storage
HCIP Storage
HCIP Storage
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Logical ports can only be created on physical Ethernet ports. A home port must be
specified. If the home port fails, services will fail over to another functioning port.
Select one:
a.
True
b.
False
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The correct answer is: False
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"Cabinet > node > KVM > switch" is the correct sequence for powering on Huawei
OceanStor Distributed Storage system.
Select one:
a.
False
b.
True
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The correct answer is: False
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With the high availability architecture, Huawei OceanStor all-flash storage systems can
tolerate simultaneous failure of two controllers.
Select one:
a.
False
b.
True
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The correct answer is: True
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Hyper-converged infrastructure (HCI) integrates only compute, network, storage and
server virtualization resources and technologies.
Select one:
a.
False
b.
True
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The correct answer is: False
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The source and target LUNs belong to the same controller. In this case, SmartMigration
cannot relocate all services from the source LUN to the target LUN.
Select one:
a.
False
b.
True
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The correct answer is: False
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The combination of SmartMigration and SmartVirtualization allows us to reuse older
storage systems for archiving purposes. But the limitation is that both older and new
storage systems can only be Huawei devices.
Select one:
a.
True
b.
False
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The correct answer is: False
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N+M data protection can help Huawei OceanStor Distributed Storage improve the
system reliability
Select one:
a.
False
b.
True
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The correct answer is: True
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SmartVirtualization can relocate all services from the source LUN to the target LUN only
when services on the host are stopped.
Select one:
a.
False
b.
True
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The correct answer is: False
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During fault analysis, in any cases, it is enough to use one single method to collect fault
data and information for subsequent analysis of one or more fault causes.
Select one:
a.
False
b.
True
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The correct answer is: False
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The InfoLocker feature of Huawei OceanStor 9000 can be used to meet the requirements
of scenarios where data is read once and written multiple times.
Select one:
a.
False
b.
True
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The correct answer is: False
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RAID penalty is important when calculating the actual performance of a single disk.
Select one:
a.
False
b.
True
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The correct answer is: False
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When deploying a Huawei OceanStor distributed storage system, you cannot import
licenses for different services to distinguish different types of services (block, file, big
data and object) provided by the cluster.
Select one:
a.
False
b.
True
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The correct answer is: False
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In the HyperMetro active-passive solution, precedence is given to the storage system
which has been set as the preferred site during arbitration. If the HyperMetro replication
network is down, the storage system that wins arbitration continues providing services to
hosts.
Select one:
a.
True
b.
False
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The correct answer is: False
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When using the InfoLocker feature of Huawei OceanStor 9000, if a directory is
configured as a WORM root directory, all existing subdirectories as well as newly created
subdirectories and files under the directory automatically obtain the WORM attributes of
the directory.
Select one:
a.
False
b.
True
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The correct answer is: True
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Huawei OceanStor hybrid flash storage systems support self-encrypting drives (SEDs) to
enhance data security, SEDs use the AES-256 encryption algorithm to encrypt data
without deteriorating performance.
Select one:
a.
False
b.
True
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The correct answer is: True
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Huawei OceanStor all-flash storage systems do not support DTOE protocol offloading. It
sends I/Os from the NIC to the user space for processing with passing through the
kernel space.
Select one:
a.
True
b.
False
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The correct answer is: False
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A backup service node can write backup software data and read recovery data.
Select one:
a.
False
b.
True
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The correct answer is: True
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Huawei OceanStor hybrid flash storage systems use RAID 2.0+ to help the systems to
quickly reconstruct data and intelligently allocate resources.
Select one:
a.
True
b.
False
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The correct answer is: True
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LUNs of different remote replication pairs in a consistency group can belong to different
working controllers.
Select one:
a.
True
b.
False
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The correct answer is: True
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In the high level design (HLD) phase, the HLD document is not necessary as the output.
Select one:
a.
True
b.
False
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The correct answer is: False
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A vendor's distributed storage system has been running for 100 days and 24 hours. A
fault occurred on the tenth, 25th and 80th day in the morning, and it took one hour, four
hours, and one hour to rectify the faults, respectively. According to this background, the
availability of the software systems is around 0.9975.
Select one:
a.
True
b.
False
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The correct answer is: True
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Suppose that you allocate 20 GB to a thin LUN, write 30 GB to the LUN, and then delete
25 GB data from it. The thin LUN is 50 GB now.
Select one:
a.
True
b.
False
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The correct answer is: False
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Internet-based object storage service applications are customizable and cannot be
planned or developed by the OceanStor 9000 customers. Specifically, the applications
can be software and visual websites.
Select one:
a.
False
b.
True
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The correct answer is: False
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Huawei hyper-converged storage has multiple data security mechanisms. For example,
the PCIe SSD cache technology prevents data loss in the event of power failures.
Select one:
a.
False
b.
True
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The correct answer is: True
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IOPS is the key performance indicator for a storage system. RAID level does NOT affect
the IOPS of a storage system.
Select one:
a.
True
b.
False
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The correct answer is: False
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On Huawei OceanStor 9000, if access requests are not evenly allocated to nodes, a user
can adjust zones. After that, the user must mount shared directories from clients and
unmount directories based on allocated domain names.
Select one:
a.
False
b.
True
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The correct answer is: False
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The following parameters are set for a user: The quota type is capacity quota, the quota
type is forcible quota, the recommended threshold is 3 GB, the soft threshold is 4 GB, the
hard threshold is 6 GB, and the grace period is 10 days. In this case, when the used
storage space reaches 6 GB, the system prevents data from being written.
Select one:
a.
False
b.
True
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The correct answer is: True
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The capacity of distributed storage space is huge. When using the global deduplication
technology used by the block service, to save more memory space of the fingerprint
table, a fingerprint opportunity table mechanism is introduced.
Select one:
a.
True
b.
False
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The correct answer is: True
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The permission priority of IAM Policy is determined according to the following
rule: explicit deny > default deny > allow.
Select one:
a.
True
b.
False
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The correct answer is: False
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InfoAllocator is a resource management and control technology used to restrict the
resources available for IP addresses in a directory.
Select one:
a.
True
b.
False
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The correct answer is: False
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Which of the following is NOT true about Huawei SmartQuota?
Select one:
a.
SmartQuota helps system administrators manage storage resource usage of users.
b.
The resource usage can be notified to users over alarms and events.
c.
The resource usage of a single directory, user, or user group can be limited.
d.
SmartQuota supports block storage and file storage.
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The correct answer is: SmartQuota supports block storage and file storage.
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What is the correct process of troubleshooting an Huawei OceanStor all-flash storage
fault?
1. Analyze the fault.
2. Locate a fault.
3. Collect the fault information.
4. Repair the fault.
Select one:
a.
3- > 2- > 1- > 4
b.
1- > 2- > 3- >4
c.
2- > 3- > 1- > 4
d.
3- > 1- > 2- > 4
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The correct answer is: 3- > 1- > 2- > 4
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Which of the following is flase about the DME architecture?
Select one:
a.
Open northbound and southbound systems. Northbound systems provide RESTful,
SNMP, and ecosystem plug-ins (such as Ansible) to interconnect with upper-layer
systems. Southbound systems manage storage resources through standard interface
protocols such as SNMP and RESTful.
b.
Only services of Huawei storage devices can be switched over.
c.
Distributed microservice architecture with high reliability.
d.
Large-scale storage device management. A single node can manage a maximum of 16
storage devices.
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The correct answer is: Only services of Huawei storage devices can be switched over.
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Which of the following is not a key technology of InfoTurbo?
Select one:
a.
SMB3.0 Multichannel
b.
FlashLink
c.
NFS protocol enhancement
d.
Intelligent prefetch
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The correct answer is: FlashLink
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During a routine inspection, a local engineer identified an exception about a storage
system, and contacted Huawei technical support. A technical support engineer
instructed the local engineer to collect information about service hosts. If a Linux
operating system runs on the service hosts, which of the following commands is false
about information collection?
Select one:
a.
Run the "rpm -qa l grep UltraPath" command to check whether the multipathing
software is properly installed. If the system displays information about UltraPath, it
indicates that UltraPath is installed.
b.
Run the "service firewall stop" command to disable the firewall.
c.
Run the "upadmin show upconfig" command to check the configuration of the
multipathing software.
d.
Run the "upadmin show vlun" command to query information about all or specified
virtual disks.
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The correct answer is: Run the "service firewall stop" command to disable the firewall.
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Which of the following is NOT true about Huawei HyperVault?
Select one:
a.
Block storage and file systems are supported.
b.
User-defined backup policies and copy thresholds are supported.
c.
Local backup snapshots can be generated in seconds to obtain consistent data copies.
d.
During remote backup, only full backup is performed initially, and only incremental
backup is performed subsequently.
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The correct answer is: Block storage and file systems are supported.
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A company deploys a Huawei distributed storage system in data center A and in data
center B, respectively. The block service is used to carry applications such as databases
and VMs. In addition, HyperMetro of the block service is used to work with upper-layer
applications to ensure service continuity. Which of the following statements about the
HyperMetro scenario are true?
Select one:
a.
It is recommended that the distance between data center A and data center B be less
than 100 km.
b.
It is recommended that a quorum link use the FC network.
c.
It is recommended that a quorum server be deployed at a third-place site.
d.
It is recommended that HyperMetrol consistency groups be used for database
applications.
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The correct answer is: It is recommended that a quorum link use the FC network.
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Which of the following statements is NOT true?
Select one:
a.
A link of 10 mbps can be used for Synchronous replication if Copy Speed is set to low.
b.
A link of 100 mbps (two way) is adequate for Synchronous Replication.
c.
The maximum distance of Asynchronous Replication is unlimited, the maximum latency
is not.
d.
A link with a latency of 1ms is required for Synchronous replication.
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The correct answer is: A link of 10 mbps can be used for Synchronous replication if Copy
Speed is set to low.
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An enterprise creates a remote replication pair between the primary LUN at site A and
the secondary LUN at site B to ensure data reliability. Which of the following statements
about the pair status and the relationship between the primary and secondary LUNs is
false.
Select one:
a.
If the replication link is down or the primary or secondary LUN is faulty, the pair is in the
"Split" state.
b.
If the pair status is "Normal", data synchronization between the primary and secondary
LUNs is complete.
c.
If the pair status is "Synchronizing", the secondary LUN cannot be read or written.
d.
If the pair relationship between the primary and secondary LUNs is cancelled, the pair is
in the "Split" state, and data synchronization between the primary and secondary LUNs is
suspended.
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The correct answer is: If the replication link is down or the primary or secondary LUN is
faulty, the pair is in the "Split" state.
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Which of the following statements about multipart upload of object storage service is
false?
Select one:
a.
All uploaded parts are combined into one or more objects. The size of a combined
object is not greater than 5 TB.
b.
For a large object, or the object that needs to be uploaded for several times, you can use
multiple upload to complete the upload.
c.
After initiating a multipart upload task, you can cancel it.
d.
The object storage service (compatible with Amazon S3 APIs) limits the size of a single
uploaded object to 5 GB.
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The correct answer is: All uploaded parts are combined into one or more objects. The
size of a combined object is not greater than 5 TB.
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What scale technologies is supported by Huawei OceanStor Hybrid Flash Storage?
Select one:
a.
IB Scale-Up
b.
SAS Scale-Out
c.
PCle Scale-Out
d.
IP Scale-Out
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The correct answer is: PCle Scale-Out
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Which of the following is not an advantage of the object service in establishing the video
surveillance cloud?
Select one:
a.
The object service can use storage resources on demand.
b.
Continuous write of video is stable with a low latency.
c.
The object service can interwork with the block service.
d.
The object service provides high-concurrency connections.
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The correct answer is: The object service can interwork with the block service.
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Which of the following File System Protocols are not available in the Huawei OceanStor
Hybrid Flash Storage devices?
Select one:
a.
NFS
b.
CIFS
c.
FTP
d.
Apple Talk
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The correct answer is: Apple Talk
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Huawei Scale-Out NAS is a scale-out file storage system oriented to massive
unstructured data storage applications. Which of the following is not a feature of this
product?
Select one:
a.
Smooth scale-out of multiple nodes eliminates data silos caused by multiple
namespaces.
b.
High-performance read and write access.
c.
A unified namespace is used to manage all software and hardware resources in a unified
manner, minimizing system management and maintenance complexity.
d.
Non-symmetric distributed architecture.
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The correct answer is: Non-symmetric distributed architecture.
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Which of the following statements is false about the functions and benefits of Huawei
SmartVirtualization?
Select one:
a.
It is compatible with mainstream heterogeneous storage systems, facilitating centralized
planning and management of storage resources.
b.
Multiple functions, such as remote replication and snapshot, can be configured for the
LUNs on a heterogeneous storage system.
c.
You can use the LUNs on a heterogeneous storage system without performing a full
physical data mirroring, saving storage space.
d.
A heterogeneous storage system can be configured using SmartVirtualization, to simply
management.
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The correct answer is: A heterogeneous storage system can be configured using
SmartVirtualization, to simply management.
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What is not a valid criteria in determining the performance requirements of a solution?
Select one:
a.
Synchronous or Asynchronous replication.
b.
How many datastores for Virtual Machines are needed.
c.
Type of applications used.
d.
How many snapshots are needed.
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The correct answer is: How many datastores for Virtual Machines are needed.
Question 47
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Which of the following statements about big data processing technology is false/
Select one:
a.
Different from traditional data processing technology, big data processing technology
processes data in monotonous manual processing method.
b.
Big data technology delivers more powerful data processing capabilities, but leads to
more complex management than traditional technology.
c.
In the big data era, distributed parallel processing is employed to process data. This
data processing technique features flexible component scalability, powerful data
management capacity, and unified management.
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The correct answer is: Different from traditional data processing technology, big data
processing technology processes data in monotonous manual processing method.
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Which of the following descriptions would not apply to a storage array?
Select one:
a.
Storage arrays have their disks stored in external disk enclosures.
b.
Is connected to a network using Fiber optic or copper cables.
c.
Has all critical components as redundant components.
d.
Contains at least one controller module.
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The correct answer is: Storage arrays have their disks stored in external disk enclosures.
Question 49
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After the object deduplication function is enabled in a Huawei distributed storage
system, which of the following is not used by the system to deduplicate objects?
Select one:
a.
Creation time
b.
Data protection level
c.
Object size
d.
MD5 value
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The correct answer is: Creation time
Question 50
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An enterprise has deployed multiple applications, such as desktop cloud, database, video
on demand (VoD), and backup. These applications occupy a large amount of storage
resources. The enterprise plans to use the deduplication and compression
features. Which of the following configurations is NOT recommended?
Select one:
a.
Deduplication and compression are not recommended for VOD scenarios because video
files have been compressed by application software and re-compression will be
inefficient.
b.
Deduplication is recommended for desktop cloud scenarios because there is a large
amount of duplicate data among multiple virtual images.
c.
Deduplication is not recommended for backup scenarios because all backup data must
be retained.
d.
Compression is recommended for database scenarios because a large amount of data
needs to be stored.
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The correct answer is: Deduplication is not recommended for backup scenarios because
all backup data must be retained.
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Which of the following statements about the CIFS protocol are false?
a.
CIFS transmits data based on TCP.
b.
CIFS is a file sharing protocol used in Linux.
c.
CIFS transmits data based on UDP.
d.
CIFS is a file sharing protocol used in Windows.
Feedback
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The correct answers are: CIFS transmits data based on UDP., CIFS is a file sharing
protocol used in Linux.
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Which of the following statements about block storage management are correct?
a.
Administrators can create, view or delete block storage service levels.
b.
Storage resources are allocated to users through block resource pools. Administrators
can view, modify or delete resource pools.
c.
Administrators can view the volumes created by project users or administrators.
d.
If the status of a volume fails to be updated in a timely manner, administrators can
manually update the status.
Feedback
Your answer is incorrect.
The correct answers are: Administrators can view the volumes created by project users or
administrators., Administrators can create, view or delete block storage service levels., If
the status of a volume fails to be updated in a timely manner, administrators can
manually update the status.
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Which of the following operations performed in a file system require quota check?
Select one or more:
a.
Modifying files
b.
Deleting files
c.
Viewing or accessing files
d.
Adding files
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The correct answers are: Adding files, Viewing or accessing files, Modifying files
Question 54
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What type of volume used by eDevLUN are NOT directly provided by a Huawei storage
device?
a.
External LUN
b.
Target LUN
c.
Meta volume
d.
Data volume
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The correct answers are: Data volume, External LUN, Target LUN
Question 55
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An enterprise needs to provide continuous data protection for its instant transaction
services. Therefore, a HyperCDP schedule is created for the service data LUN. Which
configuration can NOT shorten the RPO as much as possible?
a.
Setting the number of retained HyperCDP objects to 60,000.
b.
Creating multiple HyperCDP duplicates.
c.
Setting the fixed period to 3 seconds for the HyperCDP schedule.
d.
Creating a HyperCDP object at a specific time in a day.
Feedback
Your answer is incorrect.
The correct answers are: Creating multiple HyperCDP duplicates., Setting the number of
retained HyperCDP objects to 60,000., Creating a HyperCDP object at a specific time in a
day.
Question 56
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Which of the following technologies cannot be used together with SmartPartition to
increase cache read/write performance?
a.
SmartCache
b.
SmartVirtualization
c.
SmartMemory
d.
SmartQoS
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The correct answers are: SmartMemory, SmartVirtualization
Question 57
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Which of the following statements about thin and thick LUNs are true?
a.
Thin and Thick LUNs can be configured in the same storage pool.
b.
A thin or thick LUN can be greater than or equal to the available capacity of the storage
pool where they reside.
c.
Thin or thick LUNs can be batch created.
d.
Initial capacity must be configured for both thin and thick LUNs.
Feedback
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The correct answers are: Thin and Thick LUNs can be configured in the same storage
pool., Thin or thick LUNs can be batch created.
Question 58
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Which of the following statements about the intelligent load balancing feature of Huawei
OceanStor 9000 are true?
a.
Nodes can be grouped into zones. An independent load balancing policy and an
independent domain name can be configured for each zone.
b.
Huawei OceanStor 9000 provides load balancing based on round robin, CPU usage or
node connection count.
c.
Performance is balanced among all nodes. Capacity cannot be balanced among all
nodes.
d.
Load balancing policies can be based on CPU usage, memory usage, bandwidth usage,
node connection count, and/or node capability.
Feedback
Your answer is incorrect.
The correct answers are: Nodes can be grouped into zones. An independent load
balancing policy and an independent domain name can be configured for each zone.,
Load balancing policies can be based on CPU usage, memory usage, bandwidth usage,
node connection count, and/or node capability., Huawei OceanStor 9000 provides load
balancing based on round robin, CPU usage or node connection count.
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Which of the following statements about snapshots are false?
a.
Data of a snapshot can only be read by hosts and cannot be modified.
b.
A snapshot is a point-in-time copy of source data.
c.
A snapshot is a complete physical copy of source data.
d.
A snapshot is newly written data.
Feedback
Your answer is incorrect.
The correct answers are: A snapshot is a complete physical copy of source data., A
snapshot is newly written data., Data of a snapshot can only be read by hosts and cannot
be modified.
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Which of the following statements about data rollback using a snapshot are NOT true?
a.
Data rollback using a snapshot is to fully replicate and restore the source data at a point
in time.
b.
Data rollback using a snapshot can be completed in seconds.
c.
If data is rolled back to a snapshot created at time point A, snapshots created after time
point A are not deleted.
d.
If data is rolled back to a snapshot created at time point A, snapshots created after time
point A are deleted.
Feedback
Your answer is incorrect.
The correct answers are: Data rollback using a snapshot is to fully replicate and restore
the source data at a point in time., If data is rolled back to a snapshot created at time
point A, snapshots created after time point A are deleted.
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Logical ports can only be created on physical Ethernet ports. A home port must be
specified. If the home port fails, services will fail over to another functioning port.
Select one:
True
False
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The correct answer is 'False'.
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"Cabinet -> node -> KVM -> switch" is the correct sequence for powering on Huawei
OceanStor Distributed Storage system.
Select one:
True
False
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The correct answer is 'False'.
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With the high availability architecture, Huawei OceanStor all-flash storage systems can
tolerate simultaneous failure of two controllers.
Select one:
True
False
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The correct answer is 'True'.
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Hyper-converged infrastructure (HCI) integrates only compute, network, storage and
server virtualization resources and technologies.
Select one:
True
False
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The correct answer is 'False'.
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The source and target LUNs belong to the same controller. In this case, SmartMigration
can not relocate all services from the source LUN to target LUN.
Select one:
True
False
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The correct answer is 'False'.
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The combination of SmartMigration and SmartVirtualization allows us to reuse older
storage systems for archiving purposes. But the limitation is that both older and new
storage systems can only be Huawei devices.
Select one:
True
False
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The correct answer is 'False'.
Question 7
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N+M data protection can help Huawei OceanStor Distributed Storage improve the
system reliability.
Select one:
True
False
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The correct answer is 'True'.
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SmartVirtualization can relocate all services from the source LUN to the target LUN only
when services on the host are stopped.
Select one:
True
False
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The correct answer is 'False'.
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During fault analysis, in any cases, it is enough to use one single method to collect fault
data and information for subsequent analysis of one or more fault causes.
Select one:
True
False
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The correct answer is 'False'.
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The InfoLocker feature of Huawei OceanStor 9000 can be used to meet the requirement
of scenarios where data is read once and written multiple times.
Select one:
True
False
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The correct answer is 'False'.
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RAID penalty is important when calculating the actual performance of a single disk.
Select one:
True
False
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The correct answer is 'False'.
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When deploying a Huawei OceanStor distributed storage system, you can not import
licenses for different services to distinguish different types of services (block, file, big
data and object) provided by the cluster.
Select one:
True
False
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The correct answer is 'False'.
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In the HyperMetro active-active solution, precedence is given to the storage system
which has been set as the preferred site during arbitration. If the HyperMetro replication
network is down, the storage system that wins arbitration continues providing services to
hosts.
Select one:
True
False
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The correct answer is 'False'.
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When using the InfoLocker feature of Huawei OceanStor 9000, if a directory is
configured as a WORM root directory, all existing subdirectories as well as newly created
subdirectories and files under the directory automatically obtain the WORM attributes of
the directory.
Select one:
True
False
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The correct answer is 'True'.
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Huawei OceanStor hybrid flash storage systems support self-encrypting devices (SEDs)
to enhance data security. SEDs use the AES-256 encryption algorithm to encrypt data
without deteriorating performance.
Select one:
True
False
Feedback
The correct answer is 'True'.
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Huawei OceanStor all-flash storage systems do not support DTOE protocol offloading It
sends I/Os from the NIC to the user space for processing with passing through the
kernel space.
Select one:
True
False
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The correct answer is 'False'.
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A backup service node can write backup software data and read recovery data.
Select one:
True
False
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The correct answer is 'True'.
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Huawei OceanStor hybrid flash storage systems use RAID 2.0+ to help the systems to
quickly reconstruct data and intelligently allocate resources.
Select one:
True
False
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The correct answer is 'True'.
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LUNs of different remote replication pairs in a consistency group can belong to different
working controllers.
Select one:
True
False
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The correct answer is 'True'.
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In the high level design (HLD) phase, the HLD document is not necessary as the output.
Select one:
True
False
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The correct answer is 'False'.
Question 21
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A vendor's distributed storage system has been running for 100 days and 24 hours. A
fault occurred on the tenth, 25th and 80th day in the morning, and it took one hour, four
hours, and one hour to rectify the faults, respectively. According to this background, the
availability of the software system is around 0.9975.
Select one:
True
False
Feedback
The correct answer is 'True'.
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Suppose that you allocate 20GB to a thin LUN, write 30GB to the LUN, and then delete
25GB data from it. The thin LUN is 50GB now.
Select one:
True
False
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The correct answer is 'False'.
Question 23
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Internet-based object storage service applications are customizable and can not be
planned or developed by the OceanStor 9000 customers. Specifically, the applications
can be software and visual websites.
Select one:
True
False
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The correct answer is 'False'.
Question 24
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Huawei hyper-converged storage has multiple data security mechanisms. For example,
the PCIe SSD cache technology prevents data loss in the event of power failures.
Select one:
True
False
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The correct answer is 'True'.
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IOPS is the key performance indicator for a storage system. RAID level does NOT affect
the IOPS of a storage system.
Select one:
True
False
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The correct answer is 'False'.
Question 26
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On Huawei OceanStor 9000, if access requests are not evenly allocated to nodes, a user
can adjust zones. After that, the user must mount shared directories from clients and
unmount directories based on allocated domain names.
Select one:
True
False
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The correct answer is 'False'.
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The following parameters are set for a user: The quota type is capacity quota, the quota
type is forcible quota, the recommended threshold is 3 GB, the soft threshold is 4 GB, the
hard threshold is 6GB, and the grace period is 10 days. In this case, when the used
storage space reaches 6 GB, the system prevents data from being written.
Select one:
True
False
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The correct answer is 'True'.
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The capacity of distributed storage space is huge. When using the global deduplication
technology used by the block service, to save more memory space of the fingerprint
table, a fingerprint opportunity table mechanism is introduced.
Select one:
True
False
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The correct answer is 'True'.
Question 29
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The permission priority of IAM Policy is determined according to the following rule:
explicit deny > default deny > allow.
Select one:
True
False
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The correct answer is 'False'.
Question 30
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InfoAllocator is a resource management and control technology used to restrict the
resources available for IP addresses in a directory.
Select one:
True
False
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The correct answer is 'False'.
Question 31
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Which of the following is NOT true about Huawei SmartQuota?
The resource usage can be notified to users over alarms and events.
The resource usage of a single directory, user, or user group can be limited.
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The correct answer is:
SmartQuota supports block storage and file storage.
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What is the correct process of troubleshooting an Huawei OceanStor all-flash storage
fault?
1. Analysis the fault.
2. Locate the fault.
3. Collect the fault information.
4. Repair the fault.
Question 33
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Which of the following is false about the DME architecture?
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Which of the following is not a key technology of InfoTurbo?
FlashLink
Intelligent prefetch
Question 35
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During a routine inspection, a local engineer identified an exception about a storage
system, and contacted Huawei technical support. A technical support engineer instructed
the local engineer to collect information about service hosts. If a Linux operating system
runs on the service hosts, which of the following commands is false about information
collection?
Run the "upadmin show upconfig" command to check the configuration of multipathing
software.
Run the "rpm -qa | grep UltraPath" command to check whether the multipathing
software is properly installed. If the system displays information about UltraPath, it
indicates that UltraPath is installed.
Run the "upadmin show vlun" command to query information about all or specified
virtual disks.
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The correct answer is:
Run the "service firewall stop" command to disable the firewall.
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Which of the following is NOT true about Huawei HyperVault?
During remote backup, only full backup is performed initially, and only incremental
backup is performed subsequently.
Local backup snapshots can be generated in seconds to obtain consistent data copies.
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The correct answer is:
Block storage and file systems are supported.
Question 37
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A company deploys a Huawei distributed storage system in data center A and in data
center B, respectively. The block service is used to carry applications such as databases
and VMs. In addition, HyperMetro of the block service is used to work with upper-layer
applications to ensure service continuity. Which of the following statements about the
HyperMetro scenario are true?
It is recommended that the distance between data center A and data center B be less
than 100KM.
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Which of the following statements is NOT true?
A link of 10 mbps can be used for Synchronous replication if Copy Speed is set to low.
Question 39
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An enterprise creates a remote replication pair between the primary LUN at site A and
the secondary LUN at site B to ensure data reliability. Which of the following statements
about the pair status and the relationship between the primary and secondary LUNs is
false?
If the replication link is down or the primary or the secondary LUN is faulty, the pair is in
the "Split" state.
If the pair status is "Normal", data synchronization between the primary and secondary
LUNs is complete.
If the pair relationship between the primary and secondary LUNs is cancelled, the pair is
in the "Split" state, and data synchronization between the primary and secondary LUNs is
suspended.
If the pair status is "Synchronizing", the secondary LUN cannot be read or written.
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The correct answer is:
If the replication link is down or the primary or the secondary LUN is faulty, the pair is in
the "Split" state.
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Which of the following statements about multipart upload of object storage service is
false?
For a large object, or the object that need to be uploaded for several times, you can use
multipart upload to complete the upload.
All uploaded parts are combined into one or more objects. The size of a combined
object is not greater than 5 TB.
The object storage service (compatible with Amazon S3 APIs) limits the size of a single
uploaded object to 5 GB.
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Your answer is incorrect.
The correct answer is:
All uploaded parts are combined into one or more objects. The size of a combined
object is not greater than 5 TB.
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What scale technologies is supported by Huawei OceanStor Hybrid Flash Storage?
PCIe Scale-Out
SAS Scale-Out
IB Scale-Up
IP Scale-Out
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The correct answer is:
PCIe Scale-Out
Question 42
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Which of the following is not an advantage of the object service in establishing the video
surveillance cloud?
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Which of the following File System Protocols are not available in the Huawei OceanStor
Hybrid Flash Storage devices?
NFS
Apple Talk
FTP
CIFS
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The correct answer is:
Apple Talk
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Huawei Scale-Out NAS is a scale-out file storage system oriented to massive
unstructured data storage applications. Which of the following is not a feature of this
product?
A unified namespace is used to manage all software and hardware resources in a unified
manner, minimizing system management and maintenance complexity.
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Which of the following statements is false about the functions and benefits of Huawei
SmartVirtualization?
Multiple functions, such as remote replication and snapshot, can be configured for the
LUNs on a heterogeneous storage system.
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What is not a valid criteria in determining the performance requirements of a solution?
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Which of the following statements about big data processing technology is false?
Big data technology delivers more powerful data processing capabilities, but lead to
more complex management than traditional technology.
In the bid data era, distributed parallel processing is employed to process data. This data
processing technique features flexible component scalability, powerful data
management capability, and unified management.
Different from traditional data processing technology, big data processing technology
processes data in monotonous manual processing method.
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The correct answer is:
Different from traditional data processing technology, big data processing technology
processes data in monotonous manual processing method.
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Which of the following descriptions would not apply to a storage array?
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After the object deduplication functions is enable in a Huawei distributed storage
system, which of the following is not used by the system to deduplicate objects?
Creation time
Object size
MD5 value
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The correct answer is:
Creation time
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An enterprise has deployed multiple applications, such as desktop cloud, database, video
on demand (VoD), and backup. These applications occupy a large amount of storage
resources. The enterprise plans to use the deduplication and compression features.
Which of the following configurations if NOT recommended?
Deduplication and compression are not recommended for VOD scenarios because video
files have been compressed by application software and re-compression is inefficient.
Deduplication is not recommended for backup scenarios because all backup data must
be retained.
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Which of the following statements about the CIFS protocol are false?
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Which of the following statements about block storage management are correct?
Storage resources are allocated to users through block resource pools. Administrators
can view, modify, or delete resource pools.
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The correct answers are:
Administrators can view the volumes created by project users or administrators.,
Administrators can create, view, or delete block storage services levels.,
If the services of a volume fail to be updated in a timely manner, administrators can
manually update the status.
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Which of the following operations performed in a file system require quota check?
Deleting files
Adding files
Modifying files
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The correct answers are:
Adding files,
Viewing or accessing files,
Modifying files
Question 54
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What type of volume used by eDevLUN are NOT directly provided by a Huawei storage
devices?
Data volume
Meta volume
External LUN
Target LUN
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The correct answers are:
Data volume,
External LUN,
Target LUN
Question 55
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An enterprise needs to provide continuous data protection for its instant transaction
services. Therefore, a HyperCDP schedule is created for a service data LUN. Which
configuration can NOT shorten the RPO as much as possible?
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Which of the following technologies can not be used together with SmartPartition to
increase cache read/write performance?
SmartVirtualization
SmartQoS
SmartMemory
SmartCache
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The correct answers are:
SmartMemory,
SmartVirtualization
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Which of the following statements about thin and thick LUNs are true?
A think or thick LUN can be greater than or equal to the available capacity of the storage
pool where they reside.
Thin and Thick LUNs can be configured in the same storage pool.
Initial capacity must be configured for both thin and thick LUNs.
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The correct answers are:
Thin and Thick LUNs can be configured in the same storage pool.,
Thin or thick LUNs can be batch created.
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Which of the following statements about the intelligent load balancing feature of Huawei
OceanStor 9000 are true?
Performance is balance among all nodes. Capacity cannot be balanced among all nodes.
Huawei OceanStor 9000 provides load balancing based on round robin, CPU usage, or
node connection count.
Load balancing policies can be based on CPU usage, memory usage, bandwidth usage,
node connection count, and/or node capability.
Node can be grouped into zones. An independent load balancing policy and an
independent domain name can be configured for each zone.
Feedback
Your answer is incorrect.
The correct answers are:
Node can be grouped into zones. An independent load balancing policy and an
independent domain name can be configured for each zone.,
Load balancing policies can be based on CPU usage, memory usage, bandwidth usage,
node connection count, and/or node capability.,
Huawei OceanStor 9000 provides load balancing based on round robin, CPU usage, or
node connection count.
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Which of the following statements about snapshots are false?
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Which of the following statements about data rollback using a snapshot are NOT true?
If data is rolled back to a snapshot created at time point A, snapshots created after time
point A are not deleted.
Data rollback using a snapshot is to fully replicate and restore the source data at a point
in time.
If data is rolled back to a snapshot created at time point A, snapshots created after time
point A are deleted.
Feedback
Your answer is incorrect.
The correct answers are:
Data rollback using a snapshot is to fully replicate and restore the source data at a point
in time.,
If data is rolled back to a snapshot created at time point A, snapshots created after time
point A are deleted.
Save the state of the flags
HCIP-Storage V5
Started on Monday, 28 February 2022, 8:01 PM
State Finished
Completed on Monday, 28 February 2022, 8:01 PM
Time taken 11 secs
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Question 1
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HyperLock (WORM) of Huawei storage systems allows data to be written to a file only
once and does not allow the file to be modified, deleted, or renamed.
Select one:
True
False
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The correct answer is 'True'.
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When an Huawei OceanStor Hybrid Flash Storage is powered by the BBU's it means that
only the controller is powered.
Select one:
True
False
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The correct answer is 'False'.
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The decision for LUNs to become File or Block based is made on the disk domain level.
Select one:
True
False
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The correct answer is 'False'.
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HyperMirror is a LUN based feature whereas SmartVirtualization is based on virtualizing
a complete third party array.
Select one:
True
False
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The correct answer is 'True'.
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In RAID 2.0+, chunks in one chunk group can come from SSD and SAS disks.
Select one:
True
False
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The correct answer is 'False'.
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Huawei hyper-converged storage uses the distributed hash table (DHT) algorithm.
Huawei hyper-converged storage combines parallel hash computing and the metadata
in local memory, enabling flexible horizontal scalability and removing performance
bottlenecks.
Select one:
True
False
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The correct answer is 'True'.
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Huawei OceanStor all-flash storage systems support DTOE protocol offloading. It directly
sends I/Os from the NIC to the user space for processing without passing through kernel
space.
Select one:
True
False
Feedback
The correct answer is 'True'.
Question 8
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A bank uses Huawei hyper-converged storage at both the production center and disaster
recovery (DR) center. It is recommended that the replication link between sites be within
3000km, the minimum bidirectional connection bandwidth be at least 10 Mbit/s and the
average write bandwidth replication volumes be less than the remote replication
bandwidth.
Select one:
True
False
Feedback
The correct answer is 'False'.
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The distributed storage system is a comprehensive storage system that features
convergence, openness, and high flexibility. It supports pooling for hardware resources
of different vendors and specifications and provides protocols and APIs required for the
block, file, and object storage service.
Select one:
True
False
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The correct answer is 'True'.
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If a switch administrator does not want to use port zoning, it is preferred that he uses
WWN zoning instead of alias zoning.
Select one:
True
False
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The correct answer is 'True'.
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When deploying a Huawei OceanStor distributed storage system, you can import
licenses for different services to distinguish different types of services (block, file, big
data, and object) provided by the cluster.
Select one:
True
False
Feedback
The correct answer is 'True'.
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A company purchases a Huawei distributed storage system to provide object and file
services. An administrator allows users to simultaneously uses object and file services as
soon as they access over HTTP.
Select one:
True
False
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The correct answer is 'False'.
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The object service can manage multiple tenants. It can physically isolate data of different
tenants to facilitate the resource division.
Select one:
True
False
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The correct answer is 'False'.
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The InfoReplicator feature of Huawei OceanStor 9000 provides full synchronization and
incremental synchronization. Incremental synchronization can be triggered manually or
automatically.
Select one:
True
False
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The correct answer is 'True'.
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Huawei OceanStor Distributed Storage can notify users of alarms by sending emails and
short messages.
Select one:
True
False
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The correct answer is 'True'.
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Can SmartDeduplication and SmartCompression be used at the same time?
No
Yes
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The correct answer is:
Yes
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Which of the function is not supported by a backup service node?
To write the job index information and backup task into the media
To maintain the index information and index cache information about all jobs on the
service node
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After the local storage system takes over the external LUNs on a heterogeneous storage
system using SmartVirtualization, an I/O request to read data from the external LUNs
does not pass through the heterogeneous storage system. Where is the data stored?
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Which of the following statements is correct?
Statement 1: An extended disaster recovery strategy could include multiple replicas to be
created on two different sites.
Statement 2: With multiple replication in place the two replicas can be created using
different methods: synchronous and asynchronous.
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Which of the following statements is false about Huawei SmartMulti-Tenant?
There are three types of permission management: read-only, write-only, and read-write.
A physical storage system is divided into multiple vStore, which share a storage pool.
In role management, three default roles are preset for tenants: vStore administrator,
vStore data protection administrator, and vStore protocol administrator.
Roles are classified into preset default roles and customized roles.
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The correct answer is:
There are three types of permission management: read-only, write-only, and read-write.
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Which of the following statement about LAN-free and Server-free backup networking is
true?
During data backup, Server-free generates a copy that will be mounted to the backup
server.
The LAN-free data backup path is as followings: production storage > backup server >
backup media.
Question 22
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Which feature can provide file system snapshots?
InfoLocker
InfoProtector
InfoStamper
InfoEqualizer
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InfoStamper
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Huawei OceanStor 9000 provides domain name resolution services based on
InfoEqualizer DNS IP addresses. Assume that file shares are accessed based on dynamic
domain names. If a node fails, leading to a switchover, which file sharing mode will not
experience service interruption?
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Huawei OceanStor all-flash storage systems automatically add all Ethernet ports and
bond ports in a cluster to a failover group. Which is this group?
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A NAS storage system is dedicated to storing and managing which data type?
File data
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IOPS is the key performance indicator for a storage system. Which of the following does
NOT affect the IOPS of a storage system?
I/O characteristics
RAID level
Disk type
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Hot spare space
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An enterprise plans to power off the IT equipment room for circuit security maintenance
during off-peak hours on the National Day. After he circuit maintenance is complete, the
enterprise needs to power on the powered-off devices. Which of the following is the
correct power-on sequence?
External power supply > Controller enclosure power supply > Server power supply >
Switch power supply
External power supply > Server power supply > Switch power supply > Controller
enclosure power supply
External power supply > Controller enclosure power supply > Switch power supply >
Server power supply
External power supply > Server power supply > Controller enclosure power supply >
Switch power supply
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External power supply > Controller enclosure power supply > Switch power supply >
Server power supply
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What is the minimum number of nodes required for deploying Huawei OceanStor
Distirbuted Storage?
5
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3
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Which of the following statements about SmartCompression of the block service in
Huawei distributed storage system is true?
The same storage pool can adopt multiple compression algorithms to improve the
compression speed and ratio.
The same storage pool can adopt only one compression algorithm.
Changing the compression algorithm of a storage pool affects the compressed data.
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Which of the following statement about InfoRevive is correct?
After the read/write fault tolerance mode is enabled, if the number of failed nodes or
disks exceeds the configured upper limit, a specific proportion of damaged video file
data can be recovered and data can still be written to the video file.
InfoRevive ensure continuous availability of video surveillance services when the number
of failed nodes or disk exceeds the upper limit.
After the read fault tolerance mode is enable, if the number of failed nodes or disks
exceeds the configured upper limit, all the damage video file data can be recovered.
InfoRevive is applicable not only to video surveillance scenarios, but also to TV stations
and other media and assets industries.
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InfoRevive ensure continuous availability of video surveillance services when the number
of failed nodes or disk exceeds the upper limit.
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Protocol-Interworking provided by Huawei distributed storage systems is based on the
object storage system and NAS function. Which of the following file sharing access ways
is provided based on the distributed storage service?
HTTP
FTP
CIFS
NFS
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NFS
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A company is running services on Huawei distributed storage systems. Users' data
services run on block storage and deduplication is enabled. During peak hours of user
data services, the front-end service performance needs to be prioritized. Which of the
following deduplication modes is used by the storage system?
Inline deduplication
Post-process deduplication
Source-side deduplication
Disable deduplication
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Post-process deduplication
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When restarting an Huawei OceanStor Hybrid Flash Storage, we should:
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A vendor's distributed storage system has been running for 100 days and 24 hours. A
fault occurred on the tenth, 25th and 80th day in the morning, and it took one hour, four
hours and one hours to rectify the faults, respectively. The availability of the software
system is ( ).
0.9975
0.9925
0.9775
0.9725
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0.9975
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Which function is not provided by SmartKit?
Upgrade
Maintain
Deploy
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Automatic fault repair
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What scale technologies are not support by Huawei OceanStor Hybrid Flash Storage?
IP Scale-Out
PCIe Scale-Out
SAS scale-Out
IB Scale-UP
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SAS scale-Out,
IB Scale-UP,
PCIe Scale-Out
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A WORM file system cannot be deleted:
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Which of the following statements about data rollback using a snapshot are true?
If data is rolled back to a snapshot created at time point A, snapshots created after time
point A are deleted.
Data rollback using a snapshot is to fully replicate and restore the source data at a point
in time.
If data is rolled back to a snapshot created at time point A, snapshots created after time
point A are not deleted.
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Which of the following can be configured in the backup management system?
Contents to be backed up
Host to be backed up
Backup time
Backup network
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Backup time,
Host to be backed up,
Contents to be backed up
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Due to limited storage resources in the email system, an enterprise sets quotas for email
system users. For example, the soft and hard quotas for user A are 500MB and 800MB,
respectively. Which of the following statements are true about this configuration?
When the storage space used by user A reaches 500MB, the system reports to user A an
alarm about insufficient resources. Subsequent data writes will fail.
When the storage space used by user A reaches 500MB, the system reports to user A an
alarm about insufficient resources. The alarm will be cleared after user A reduces the
used storage space to less than 450MB.
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What are the advantages of parallel deduplication?
Outstanding performance
Superb reliability
Large scale
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Outstanding performance,
Superb reliability,
Large scale
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What requirements must be met when configuring SmartPartition?
A LUN or file system must belong to the same partition as its working engine.
A LUN or file system can belong to different partitions form its working engine.
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Under what conditions can SmartMigration relocate all services from the source LUN to
the target LUN?
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Which of the following statements about big data processing technology are true?
Big data technology delivers more powerful data processing capabilities, but leads to
more complex management than traditional technology.
In the big data era, distributed parallel processing is employed to process data. This data
processing techniques features flexible component scalability, powerful data
management capabilities, and unified management.
Different from traditional data processing technology, big data processing technology
processes data in various ways based on the data value.
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Different from traditional data processing technology, big data processing technology
processes data in various ways based on the data value.,
In the big data era, distributed parallel processing is employed to process data. This data
processing techniques features flexible component scalability, powerful data
management capabilities, and unified management.
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Which of the following statements about the iSCSI protocol are correct?
The iSCSI initiator encapsulates SCSI instructions and data into TCP packets for
transmission.
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iSCSI enables users to access IP SANs.,
The iSCSI initiator encapsulates SCSI instructions and data into TCP packets for
transmission.,
iSCSI is located between SCSI and TCP/IP.
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A bank purchased a batch of Huawei OceanStor 18500 v5 storage systems and used
RDMA links for system scale-out. Which of the following statements are correct?
Eight controllers are directly connected over a full-mesh network for redundancy. Each
controller enclosure shares 400 Gbit/s bandwidth.
VLANs are created on SmartIO ports to seperate data and heartbeat networks.
The SmartIO interface modules provides internal RDMA connections with 100 Gbit/s port
bandwidth.
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Eight controllers are directly connected over a full-mesh network for redundancy. Each
controller enclosure shares 400 Gbit/s bandwidth.,
The four idle ports are reserved for expansion to 16 controllers.
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A live gaming platform uses Huawei OceanStor all-flash storage systems with the flash-
dedicated FlashLink technology. Which of the following statements are correct about
ROW full-stripe write (sequential writes of large blocks) ?
Sequential write of large blocks fully utilize SAS bandwidth and reduce garbage
collection.
Multiple discrete data blocks are aggregated into a large sequential block in the
controller memory.
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Controllers detect data layouts in SSDs.,
Multiple discrete data blocks are aggregated into a large sequential block in the
controller memory.,
The large data blocks are written into SSDs in sequence.,
Sequential write of large blocks fully utilize SAS bandwidth and reduce garbage
collection.
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Huawei hyper-converged storage uses the distributed hash table (DHT) algorithm. Which
of the following processes occur on the server side?
Write cache.
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Internet company A uses Huawei hyper-converged infrastructure (HCI) to build an
information platform that significantly improves platform reliability. Which aspects
reflect this feature?
Factory pre-integration
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When connecting more than three FC switches together, what are the three possible
network designs?
Core-Edge design
Star Network
Meshed Network
Ring Network
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Ring Network,
Meshed Network,
Star Network
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Highway reconstruction project A uses Huawei hyper-converged storage LightDC ROBO
branch solution. Which of the following are the advantages of this solution?
Rapid deployment
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Which of the following are true about basic storage service configuration on Huawei all-
flash storage?
If application data is stored on multiple LUNs, you create a LUN group to facilities
management.
If the service host is a cluster, you can add all hosts in the cluster to the same host group.
To connect a specific port to a service host, you need to create a port group.
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If application data is stored on multiple LUNs, you create a LUN group to facilities
management.,
If the service host is a cluster, you can add all hosts in the cluster to the same host group.
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An enterprise purchased a Huawei OceanStor Distributed storage system and will plan
and deploy the network. Which of the following network planes must be planned?
Replication plane
Storage plan
Arbitration plane
Service plan
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The correct answers are:
Storage plan,
Service plan
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Which of the following statements about the global deduplication technology used by
the block service are correct?
The fingerprint table occupies minimal memory, and supports deduplication of a large-
capacity system.
The fingerprint of a data block is counted in the opportunity table first. The data block
can be deduplicated in the fingerprint table when the same data block is written many
times and exceeds the threshold.
The capacity of distributed storage space is huge. To save more memory space of the
fingerprint table, a fingerprint opportunity table mechanism is introduced.
The opportunity table filters out data with a low repetition degree.
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The capacity of distributed storage space is huge. To save more memory space of the
fingerprint table, a fingerprint opportunity table mechanism is introduced.,
The fingerprint of a data block is counted in the opportunity table first. The data block
can be deduplicated in the fingerprint table when the same data block is written many
times and exceeds the threshold.,
The opportunity table filters out data with a low repetition degree.,
The fingerprint table occupies minimal memory, and supports deduplication of a large-
capacity system.
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Which are characteristics of Huawei OceanStor Distributed Storage?
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Which of the following are the concepts used in Keystone?
Tenant
Token
User
Role
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User,
Role,
Token
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Which of the following are the key technologies of InfoTurbo?
FlashLink
SMB3.0 Multichannel
Intelligent prefetch
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Intelligent prefetch,
SMB3.0 Multichannel,
NFS protocol enhancement
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Which functions are provided by InfoAllocator for OceanStor 9000 Administrators?
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Which of the following are hardware faults?
BBU fault
Power fault
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Disk enclosure fault,
Expansion interface module fault,
BBU fault
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OceanStor SystemReporter can be used to monitor an Huawei OceanStor Distributed
Storage, including which resource objects?
Disk
Network port
Node
Cluster
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Cluster,
Node,
Network port,
Disk
1、The object service enables small objects to be aggregated online. Small objects uploaded by a client are
preferentially written to the SSD cache to be aggregated into an EC stripe. Then, EC calculation is performed,
and data fragments and parity fragments calculated by EC are automatically stored to SSDs.
True
False
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2、Internet-based object storage service applications are customizable and can not be planned or developed by
the OceanStor 9000 customers. Specifically, the applications can be software and visual websites.
True
False
3、A backup service node can write backup software data and read recovery data.
True
False
4、Huawei OceanStor hybrid flash storage systems use RAID 2.0+ to help the systems to quickly reconstruct
data and intelligently allocate resources.
True
False
5、Hyper-converged infrastructure (HCI) integrates only compute, network, storage, and server virtualization
resources and technologies.
True
False
6、The permission priority of IAM Policy is determined according to the following rule: explicit deny > default
deny > allow.
True
False
7、Huawei OceanStor all-flash storage systems do not support DTOE protocol offloading. It sends I/Os from the
NIC to the user space for processing with passing through the kernel space.
True
False
8、Huawei hyper-converged storage has multiple data security mechanisms. For example, the PCIe SSD cache
technology prevents data loss in the event of power failures.
True
False
9、During fault analysis, in any cases, it is enough to use one single method to collect fault data and information
for subsequent analysis of one or more fault causes.
True
False
10、The InfoLocker feature of Huawei OceanStor 9000 can be used to meet the requirements of scenarios where
data is read once and written multiple times.
True
False
11、After the object deduplication function is enabled in a Huawei distributed storage system, the system
automatically searches for duplicate objects globally, retains several copies of the same object, and deletes
redundant data. The original duplicate data is replaced with the reference that points to the retained single
copy.
True
False
12、The combination of SmartMigration and SmartVirtualization allows us to reuse older storage systems for
archiving purposes. But the limitation is that both older and new storage systems can only be Huwei
devices.
True
False
13、In the high level design (HLD) phase, the HLD document is not neccessay as the output.
True
False
14、RAID penalty is important when calculating the actual performance of a single disk.
True
False
15、A company uses the object service of a Huawei distributed storage system as online resources for
employees. If an administrator uses the quota feature to restrict the capacity usage on employees, tenant-
level quota and bucket-level quota can be selected.
True
False
16、When using the InfoLocker feature of Huawei OceanStor 9000, if a directory is configured as a WORM root
directory, all existing subdirectories as well as newly created subdirectories and files under the directory
automatically obtain the WORM attributes of the directory.
True
False
17、A vendor's distributed storage system has been running for 100 days and 24 hours. A fault occurred on the
tenth, 25th, and 80th day in the morning, and it took one hour, four hours, and one hour to rectify the
faults, respectively. According to this background, the availability of the software system is around 0.9975.
True
False
18、The capacity of distributed storage space is huge. When using the global deduplication technology used by
the block service, to save more memory space of the fingerprint table, a fingerprint opportunity table
mechanism is introduced.
True
False
19、SmartVirtualization can relocate all services from the source LUN to the target LUN only when services on
the host are stopped.
True
False
20、When deploying a Huawei OceanStor distributed storage system, you can not import licenses for different
services to distinguish different types of services (block, file, big data, and object) provided by the cluster.
True
False
21、IOPS is the key performance indicator for a storage system. RAID level does NOT affect the IOPS of a
storage system.
True
False
22、An enterprise application was backed up as follows: On February 1 (Feb1), full backup of all files and
directories was implemented. On February 2 (Feb2), 3 (Feb3), and 4 (Feb4), cumulative incremental backup
was implemented. On February 5, service disks failed. If the enterprise wants to restore the application to
the state preserved on February 4, both backup files Feb1and Feb4 will be needed.
True
False
23、With the high availability architecture, Huawei OceanStor all-flash storage systems can tolerate
simultaneous failure of two controllers.
True
False
24、The following parameters are set for a user: The quota type is capacity quota, the quota type is forcible
quota, the recommended threshold is 3 GB, the soft threshold is 4 GB, the hard threshold is 6 GB, and the
grace period is 10 days. In this case, when the used storage space reaches 6 GB, the system prevents data
from being written.
True
False
25、Huawei OceanStor hybrid flash storage systems support self-encrypting drives (SEDs) to enhance data
security. SEDs use the AES-256 encryption algorithm to encrypt data without deteriorating performance.
True
False
26、N+M data protection can help Huawei OceanStor Distributed Storage improve the system reliability.
True
False
27、After the local storage system takes over the external LUNs on a heterogeneous storage system using
SmartVirtualization, an I/O request to read data from the external LUNs does not pass through the
heterogeneous storage system. The data are stored in data volumes of the local LUNs.
True
False
28、InfoAllocator is a resource management and control technology used to restrict the resources available for
IP addresses in a directory.
True
False
29、“Unprotected”,“Protected”, “Appended” and “Expired” are all the possible file states when
InfoLocker is used to protect files.
True
False
30、“Cabinet > node > KVM > switch” is the correct sequence for powering on Huawei OceanStor Distributed
Storage system.
True
False
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31、During a routine inspection, a local engineer identified an exception about a storage system, and contacted
Huawei technical support. A technical support engineer instructed the local engineer to collect information
about service hosts. If a Linux operating system runs on the service hosts, which of the following commands
is false about information collection?
A. Run the "rpm -qa | grep UltraPath" command to check whether the multipathing software is properly installed. If the
system displays information about UltraPath, it indicates that UltraPath is installed.
B. Run the "upadmin show upconfig" command to check the configuration of the multipathing software.
C. Run the "upadmin show vlun" command to query information about all or specified virtual disks.
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C. Users can set read and write cache capacities for each SmartPartition partition.
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33、An implementation engineer checks the interface modules of a Huawei OceanStor 18000 V5 hybrid flash
storage system. Which of the following statements about the storage system is false?
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34、After the object deduplication function is enabled in a Huawei distributed storage system, which of the
following is not used by the system to deduplicate objects?
A. MD5 value
C. Object size
D. Creation time
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35、Which of the following File System Protocols are not available in the Huawei OceanStor Hybrid Flash
Storage devices?
A. FTP
B. CIFS
C. Apple Talk
D. NFS
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36、Which of the following statements about big data processing technology is false?
A. Big data technology delivers more powerful data processing capabilities, but leads to more complex management than
traditional technology.
B. Different from traditional data processing technology, big data processing technology processes data in monotonous
manual processing method.
C. In the big data era, distributed parallel processing is employed to process data. This data processing technique features
flexible component scalability, powerful data management capability, and unified management.
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Multiple choice single answer 38/60Question Arrow keys availble to switch questions
38、An enterprise has deployed multiple applications, such as desktop cloud, database, video on demand
(VoD), and backup. These applications occupy a large amount of storage resources. The enterprise plans to
use the deduplication and compression features. Which of the following configurations is NOT
recommended?
A. Deduplication and compression are not recommended for VOD scenarios because video files have been compressed by
application software and re-compression will be inefficient.
B. Deduplication is recommended for desktop cloud scenarios because there is a large amount of duplicate data among
multiple virtual images.
C. Compression is recommended for database scenarios because a large amount of data needs to be stored.
D. Deduplication is not recommended for backup scenarios because all backup data must be retained.
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39、Which of the following statements about multipart upload of object storage service is false?
A. The object storage service (compatible with Amazon S3 APIs) limits the size of a single uploaded object to 5 GB.
B. All uploaded parts are combined into one or more objects. The size of a combined object is not greater than 5 TB.
C. For a large object, or the object that needs to be uploaded for several times, you can use multipart upload to complete
the upload.
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B. The resource usage of a single directory, user, or user group can be limited.
C. The resource usage can be notified to users over alarms and events.
Multiple choice single answer 41/60Question Arrow keys availble to switch questions
A. SAS Scale-Out
B. IB Scale-Up
C. IP Scale-Out
D. PCIe Scale-Out
Multiple choice single answer 42/60Question Arrow keys availble to switch questions
A. A link of 10 mbps can be used for Synchronous replication if Copy Speed is set to low.
C. The maximum distance of Asynchronous Replication is unlimited, the maximum latency is not.
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43、An enterprise uses a Huawei OceanStor hybrid flash storage system. For convenient management, the
administrator created different quota trees in the root directory using SmartQuota for departments A, B,
and C, respectively. Which of the following statements is not true about configuring quotas?
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44、Huawei Scale-Out NAS is a scale-out file storage system oriented to massive unstructured data storage
applications. Which of the following is not a feature of this product?
B. Smooth scale-out of multiple nodes eliminates data silos caused by multiple namespaces.
C. A unified namespace is used to manage all software and hardware resources in a unified manner, minimizing system
management and maintenance complexity.
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45、Which of the following is not an advantage of the object service in establishing the video surveillance
cloud?
Multiple choice single answer 46/60Question Arrow keys availble to switch questions
A. Intelligent prefetch
B. SMB3.0 Multichannel
D. FlashLink
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47、Huawei SmartVirtualization supports both offline and online takeover. Which of the following statements is
false about the two takeover modes?
A. Online takeover includes basic masquerading, extended masquerading, and third-party takeover.
B. When a third-party multipathing software is used for an online takeover, the masquerading attribute of the eDevLUNs
is basic masquerading.
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B. Large-scale storage device management. A single node can manage a maximum of 16 storage devices.
C. Open northbound and southbound systems. Northbound systems provide RESTful, SNMP, and ecosystem plug-ins
(such as Ansible) to interconnect with upper-layer systems. Southbound systems manage storage resources through
standard interface protocols such as SNMP and RESTful.
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B. Local backup snapshots can be generated in seconds to obtain consistent data copies.
C. During remote backup, only full backup is performed initially, and only incremental backup is performed subsequently.
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50、Which of the following statements is false about the functions and benefits of Huawei SmartVirtualization?
A. It is compatible with mainstream heterogeneous storage systems, facilitating centralized planning and management of
storage resources.
B. You can use the LUNs on a heterogeneous storage system without performing a full physical data mirroring, saving
storage space.
C. Multiple functions, such as remote replication and snapshot, can be configured for the LUNs on a heterogeneous
storage system.
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51、Which of the following statements about the working principles of data deduplication are true?
B. Data blocks that have been stored will not be stored again, and no other processing is required either, such as adding
indexes.
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52、A live gaming platform uses the FlashLink multi-core technology of Huawei OceanStor all-flash storage for
its services. Which of the following does not describe core grouping in CPUs?
A. A request is processed by one core until its completion. Cores are lock-free to avoid frequent switchovers among the
cores.
B. Read/write I/Os are deployed in different core groups from other types of I/Os to avoid mutual interference.
C. The controller works with SSDs to identify hot and cold data in the system, improve garbage collection efficiency, and
prolong the service life of SSDs.
D. vNodes are bound to CPUs to reduce the overheads for scheduling and transmission across CPUs.
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53、Which of the following configurations can be not used to save alarm information to a specified FTP server
on a storage device?
A. Email notification
B. Alarm dump
C. Configuring SNMP
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54、Which of the following customer benefits are provided by the snapshot-based backup function of Huawei
Hybrid Flash Storage systems?
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55、Which of the following statements about Huawei OceanStor Backup Solution are true?
A. Compared with disaster recovery, backup provides a finer restoration granularity, such as taking files as the restoration
level and offering multiple backup points in time.
B. If source data and its backup data have the same format, a host can directly read and write the backup data.
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56、LAN-base backup networking is one of the most common networking modes. Which are NOT advantages
of LAN-base backup networking?
D. Both control data and backup data are transmitted through the service network.
Multiple choice multiple answer 57/60Question Arrow keys availble to switch questions
57、Compared with traditional RAID algorithms, the erasure code redundancy technology provides higher
reliability and more flexible redundancy policies. Which of the following statements about the erasure code
N+M principle are true?
B. The erasure code algorithm calculates M parity blocks for every N consecutive data blocks. (The value of M is smaller
than that of N.)
D. In erasure code storage mode, the storage system tolerates a concurrent failure of N disks at most.
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58、Due to limited storage resources in the email system, an enterprise sets quotas for email system users. For
example, the soft and hard quotas for user A are 500 MB and 800 MB, respectively. Which of the following
statements are not true about this configuration?
C. When the storage space used by user A reaches 500 MB, the system reports to user A an alarm about insufficient
resources. Subsequent data writes will fail.
D. When the storage space used by user A reaches 500 MB, the system reports to user A an alarm about insufficient
resources. The alarm will be cleared after user A reduces the used storage space to less than 450 MB.
Multiple choice multiple answer 59/60Question Arrow keys availble to switch questions
A. A physical storage system is divided into multiple vStores, which share a storage pool.
B. There are three types of permission management: read-only, write-only, and read-write.
C. Roles are classified into preset default roles and customized roles.
D. In role management, three default roles are preset for tenants: vStore administrator, vStore data protection
administrator, and vStore protocol administrator.
Multiple choice multiple answer 60/60Question Arrow keys availble to switch questions
A. Backup time
B. Backup network
C. Backup content
D. Backup objective
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2、In the HyperMetro active-passive solution, precedence is given to the storage system which has been set as
the preferred site during arbitration. If the HyperMetro replication network is down, the storage system that
wins arbitration continues providing services to hosts.
True
False
26、Huawei OceanStor all-flash storage systems support intelligent tiering on different types of media. Cold
data that is seldom accessed is gradually transferred to high-performance media.
True
False
28、Logical ports can only be created on physical Ethernet ports. A home port must be specified. If the home
port fails, services will fail over to another functioning port.
True
False
29、LUNs of different remote replication pairs in a consistency group can belong to different working
controllers.
True
False
30、Suppose that you allocate 20 GB to a thin LUN, write 30 GB to the LUN, and then delete 25 GB data from it.
The thin LUN is 50 GB now.
True
False
Multiple choice single answer 34/60Question Arrow keys availble to switch questions
34、What is the correct process of troubleshooting an Huawei OceanStor all-flash storage fault?
1. Analyze the fault.
2. Locate a fault.
3. Collect the fault information.
4. Repair the fault.
A. 1->2->3->4
B. 3->2->1->4
C. 3->1->2->4
D. 2->3->1->4
Multiple choice single answer 46/60Question Arrow keys availble to switch questions
46、An enterprise creates a remote replication pair between the primary LUN at site A and the secondary LUN
at site B to ensure data reliability. Which of the following statements about the pair status and the
relationship between the primary and secondary LUNs is false.
A. If the pair status is "Normal", data synchronization between the primary and secondary LUNs is complete.
B. If the pair relationship between the primary and secondary LUNs is cancelled, the pair is in the "Split" state, and data
synchronization between the primary and secondary LUNs is suspended.
C. If the replication link is down or the primary or secondary LUN is faulty, the pair is in the "Split" state.
D. If the pair status is "Synchronizing", the secondary LUN cannot be read or written.
Multiple choice multiple answer 51/60Question Arrow keys availble to switch questions
51、Smart City A plans to purchase Huawei OceanStor distributed storage to store traffic surveillance videos.
Which of the following products are not suited for the requirements?
B. OceanStor 6800 V5
C. OceanStor 100D
D. OceanStor 9000
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52、A large Internet company plans to purchase Huawei OceanStor all-flash storage systems for its mission-
critical services. Which of the following products are not suited for the requirements?
C. OceanStor 2800 V5
D. OceanStor 9000
Multiple choice multiple answer 53/60Question Arrow keys availble to switch questions
53、If a storage device generates fault alarms, which method can be used to collect fault information about the
storage system?
Multiple choice multiple answer 54/60Question Arrow keys availble to switch questions
Multiple choice multiple answer 55/60Question Arrow keys availble to switch questions
55、Which of the following technologies can not be used together with SmartPartition to increase cache
read/write performance?
A. SmartQoS
B. SmartCache
C. SmartMemory
D. SmartVirtualization
Multiple choice multiple answer 56/60Question Arrow keys availble to switch questions
56、An enterprise needs to provide continuous data protection for its instant transaction services. Therefore, a
HyperCDP schedule is created for the service data LUN. Which configuration can NOT shorten the RPO as
much as possible?
Multiple choice multiple answer 57/60Question Arrow keys availble to switch questions
57、Which of the following statements about the CIFS sharing configuration of Huawei OceanStor 9000 are
true?
A. If Enable notify is selected, the changes made by a client to a directory cannot be detected by other clients that are
accessing the directory or its parent directory.
B. If Enable Oplock is selected, files are locally cached before being sent to the shared storage, improving clients' access
efficiency.
C. If Enable guest is selected, users can access shared directories on clients without entering a user name and password.
D. If Signature enforcement is selected, clients are required to enable the signature function. If a client does not enable
the signature function, the OceanStor 9000 rejects the data access requests initiated by that client.
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59、Which of the following customer benefits are provided by the snapshot-based backup function of Huawei
Hybrid Flash Storage systems?
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A. Two mirror copies are provided for a LUN and their data is the same.
B. When one mirror copy is faulty, services on the LUN are affected and the host can not still work properly.
D. Other characteristics can also be configured for the LUN protected by volume mirror to provide multi-level data
protection.
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28、On Huawei OceanStor 9000, if access requests are not evenly allocated to nodes, a user can adjust zones.
After that, the user must mount shared directories from clients and unmount directories based on allocated
domain names.
True
False
Multiple choice single answer 42/60Question Arrow keys availble to switch questions
42、A company deploys a Huawei distributed storage system in data center A and in data center B, respectively.
The block service is used to carry applications such as databases and VMs. In addition, HyperMetro of the
block service is used to work with upper-layer applications to ensure service continuity. Which of the
following statements about the HyperMetro scenario are true?
A. It is recommended that the distance between data center A and data center B be less than 100 km.
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55、Which of the following statements about SmartQuota of the Huawei OceanStor Hybrid Flash Storage Series
are correct?
A. Quota trees can be shared through protocols and cannot be renamed or deleted during sharing.
Multiple choice multiple answer 56/60Question Arrow keys availble to switch questions
56、Which of the following statements about asynchronous remote replication implemented by Huawei
OceanStor Hybrid Flash Storage systems are true?
A. The primary storage system returns a write success response to the host immediately after data is successfully written
to the primary LUN.
C. When a secondary LUN is added to an asynchronous remote replication, snapshots of the primary and secondary LUNs
are automatically created and activated.
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A. A bucket is a container for storing objects. It can be considered as a directory that can be accessed through the
network.
C. The function of a bucket is similar to that of a container. Both of them can be accessed through the network.
D. Lifecycle management of a bucket means automatically deleting objects from buckets after a certain period of time
based on configuration rules without client intervention.
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17、The source and target LUNs belong to the same controller. In this case, SmartMigration can not relocate all
services from the source LUN to the target LUN.
True
False
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52、Which of the following statements about SmartCompression of the block service in Huawei distributed
storage systems are false?
B. The same storage pool can adopt multiple compression algorithms to improve the compression speed and ratio.
C. The same storage pool can adopt only one compression algorithm.
D. Changing the compression algorithm of a storage pool affects the compressed data.
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53、Which of following are features of Huawei Scale-Out NAS in a media asset management system?
C. Supports dynamic storage tiering to meet high performance requirements and reduce device costs.
D. Supports global data balancing to evenly distribute host I/Os to each vNode for processing.
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56、Which of the following statements about the erasure code N+M redundancy are true?
A. Different data protection levels can be set for different directories and files.
C. The erasure code algorithm calculates M parity chunks for every N consecutive chunks.
D. The utilization rate of storage space is about N/(N+M), and data reliability is determined by M, where a larger value of
M results in higher reliability.
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58、Which of the following statements about diagnosing the Huawei OceanStor Hybrid Flash Storage are false?
Multiple choice multiple answer 60/60Question Arrow keys availble to switch questions
60、Based on whether a client's write request needs to be confirmed by a secondary site, which of the following
types do not belong to HyperReplication?
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Multiple choice multiple answer 54/60Question Arrow keys availble to switch questions
54、Huawei hyper-converged storage uses the logical architecture of distributed storage. Which of the
following functions can not be provided by an OSD node?
B. Disk management
D. Hash partitioning
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55、Which of the following statements about the CIFS protocol are false?
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57、During storage system delivery, an engineer fails to detect LUNs after scanning on a Linux service host.
Which of the following statements about possible causes are true?
B. A link is faulty.
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60、A storage device has two controllers: controller A and controller B. If the BBU of controller A becomes faulty,
which of the following statements are false?
A. The write policy for the LUNs owned by controller A will change to write-through.
B. The write policy for the LUNs owned by controller B will change to write-through.
C. The write policy for all the LUNs will change to write-through.
D. The write policy for all the LUNs will not change to write-through.
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54、Which of the following statements about snapshot LUNs of Huawei OceanStor hybrid flash storage systems
are NOT true?
A. After a snapshot is activated, copy-on-write (COW) is performed first when an application server sends a write request
to the source LUN.
B. After a snapshot is activated, data is directly written to the snapshot LUN when an application server sends a write
request to the source LUN.
C. For a newly created snapshot, data in the COW space is the source data.
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55、An enterprise plans to create continuous data protection for its instant transaction services and ensure that
users can read and write data, and analyze historical data at different time points, without affecting
services. Which features can not meet this requirement?
A. HyperSnap
B. HyperMetro
C. HyperReplication
D. HyperCDP
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57、Which of the following statements about data rollback using a snapshot are NOT true?
A. Data rollback using a snapshot is to fully replicate and restore the source data at a point in time.
C. If data is rolled back to a snapshot created at time point A, snapshots created after time point A are deleted.
D. If data is rolled back to a snapshot created at time point A, snapshots created after time point A are not deleted.
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58、Which of the following statements about block storage management are correct?
C. If the status of a volume fails to be updated in a timely manner, administrators can manually update the status.
D. Storage resources are allocated to users through block resource pools. Administrators can view, modify, or delete
resource pools.
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51、Which of the following statements about synchronous remote replication implemented by Huawei
OceanStor Hybrid Flash Storage systems are true?
A. After data is successfully written to both the primary and secondary LUNs, the primary storage system returns a write
success response to the host.
B. The primary storage system writes data to the primary LUN and sends the data to the secondary LUN.
C. The impact of synchronous remote replication on the write performance of a host is not related to the distance
between the primary site and the secondary site.
D. Synchronous remote replication implemented by Huawei OceanStor Hybrid Flash Storage systems allows data to be
simultaneously replicated from one primary LUN to two secondary LUNs.
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52、A medium-sized e-commerce company plans to purchase Huawei OceanStor hybrid flash storage to build
its IT system. Which of the following products are best suited for the requirements?
B. OceanStor 6800 V5
C. OceanStor 18500 V5
D. OceanStor 9000
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Multiple choice multiple answer 59/60Question Arrow keys availble to switch questions
59、Which of the following statements about thin and thick LUNs are true?
A. Initial capacity must be configured for both thin and thick LUNs.
B. Thin and Thick LUNs can be configured in the same storage pool.
C. A thin or thick LUN can be greater than or equal to the available capacity of the storage pool where they reside.
Number: 000-000
Passing Score: 800
Time Limit: 120 min
File Version: 1.0
H13-624
HCIP-Storage V5.0
Version 1.0
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Exam A
QUESTION 1
A colleague suggests using SmartMigration to improve write performance on certain LUNs. This is:
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Reference https://support.huawei.com/enterprise/en/doc/EDOC1000181479/90118a13/application-scenarios
QUESTION 2
A live gaming platform uses Huawei OceanStor all-flash storage systems with the flash-dedicated FlashLink technology. Which of the following statements about the multi-core technology of FlashLink are correct?
A. vNodes are bound to CPUs to reduce the overheads for scheduling and transmission across CPUs.
B. Read/write I/Os are deployed in different groups from other types of I/Os to avoid mutual interference.
C. A request is processed by one core until its completion. Cores are lock-free to avoid frequent switchovers among the cores.
D. The intelligent multi-core technology drives linear growth of storage performance with CPUs and cores.
Correct Answer: D
Section: (none)
Explanation
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Explanation/Reference:
Reference: https://support-it.huawei.com/docs/en-us/dorado-v6.0.1/product-description-h/prod_desc_high_prod_fea.html
QUESTION 3
A service host is connected to a storage device through Fibre Channel SAN. However, the service host cannot detect mapped LUNs after scanning. Which of the following are possible causes?
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/knowledge/EKB1000458017
Correct Answer: D
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Section: (none)
Explanation
Explanation/Reference:
Reference: https://e.huawei.com/en/material/MaterialDownload?materialid=2fcfd0c2127f424fb238d7298e4ced5f&language=tr
QUESTION 5
An enterprise has deployed multiple applications, such as desktop cloud, database, video on demand (VoD), and backup. These applications occupy a large amount of storage resources. The enterprise plans to use the deduplication and
compression features. Which of the following configurations are recommended?
A. Deduplication and compression are not recommended for VOD scenarios because video files have been compressed by application software and re-compression will be inefficient.
B. Deduplication is recommended for desktop cloud scenarios because there is a large amount of duplicate data among multiple virtual images.
C. Compression is recommended for database-scenarios because a large amount of data needs to be stored.
D. Deduplication is not recommended for backup scenarios because all backup data must be retained.
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000059449?section=j004
QUESTION 6
In file sharing scenarios, which factors affect the performance of clients served by Huawei OceanStor 9000?
A. Application characteristics
B. Feature configuration
C. Service network
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D. Hardware configuration of the OceanStor 9000
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Reference: https://webcache.googleusercontent.com/search?q=cache:l6JdxUMIAN8J:https://support.huawei.com/enterprise/en/doc/EDOC1000185370/d3daf620/factors-affecting-performance+&cd=1&hl=en&ct=clnk&gl=pk
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Explanation:
Fastwrite, memory ballooning and cross-site access are all supported by HyperMetro because they aide in active-active storage enabling two storage systems to process services simultaneously, establishing a mutual backup relationship
between them.
QUESTION 8
When creating disk domains select the option “All available disks” and then manually select disks.
A. True
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B. False
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000045718?section=j00b
A. True
B. False
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Reference: https://e.huawei.com/en/material/MaterialDownload?materialid=2fcfd0c2127f424fb238d7298e4ced5f&language=tr (64)
QUESTION 10 For a storage pool you can change the hot spare policy
in a later stage.
A. True
B. False
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100092550
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QUESTION 11
O&M involves various capability requirements, including not only product technologies, but also management regulations and processes.
A. True
B. False
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Reference: https://www.huaweicloud.com/intl/content/dam/cloudbu-site/archive/hk/en-us/securecenter/security_doc/Trustworthiness_Whitepaper_en.pdf
QUESTION 12
SmartCache can support both SAN and NAS services.
A. True
B. False
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Reference: https://webcache.googleusercontent.com/search?q=cache:VGQ6V0xgG9cJ:https://e.huawei.com/en/material/MaterialDownload%3Fmaterialid%3D2fcfd0c2127f424fb238d7298e4ced5f%26language%3Dtr
+&cd=3&hl=en&ct=clnk&gl=pk
QUESTION 13
Huawei OceanStor Distributed Storage is a storage platform that suits the characteristics of big data. The platform employs the scale-out architecture and uses hardware that adopts the general-purpose.
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A. True
B. False
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Reference: https://e.huawei.com/en/products/storage/distributed-storage
QUESTION 14
Hyper-converged infrastructure (HCI) uses a data center architecture that pools compute capacity, file storage, memory, and network resources and manages them as public entities.
A. True
B. False
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Reference: https://e.huawei.com/en/solutions/business-needs/data-center/fusioncube
A. True
B. False
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000084197/71ec52a1/creating-a-lun
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QUESTION 16
Huawei OceanStor Distributed Storage must be equipped with a minimum of three nodes that can vary in types.
A. True
B. False
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Reference: https://e.huawei.com/en/material/MaterialDownload?materialid=635db0c7545844b1a26e9957332a2d40&language=en
QUESTION 17
In Huawei OceanStor 9000, a node pool is a collection of nodes that have the same characteristics such as physical type and access performance, and dynamic storage tiering allows a user to group physical nodes in the same file system
into different node pools.
A. True
B. False
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 18
Huawei hyper-converged storage supports parallel and fast data reconstruction. Data is fragmented in the resource pool. A disk failure triggers automatic and parallel reconstruction of the actual data by the entire resource pool without
requiring hot spare disks.
A. True
B. False
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Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Reference: https://e-file.huawei.com/en/material/MaterialDownload?materialid=85562a24dac64fdcabec5362474c1c36&language=de
QUESTION 19 Logical ports are created on physical Ethernet ports, bound ports, or VLANs for service operations. A home port must be specified. If the home port fails, services will fail over to another
functioning port.
A. True
B. False
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100112628/51cd7372/managing-logical-ports
QUESTION 20
The persistence layer of Huawei distributed storage provides persistent storage, EC, and multi-copy capabilities. Plog Client provides the append only plog access.
A. True
B. False
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Reference: https://pdfcoffee.com/06-huawei-oceanstor-100d-distributed-storage-architecture-and-key-technology-v10-4-pdf-free.html
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QUESTION 21
In Huawei distributed storage systems, the asynchronous remote replication architecture of the block service establishes an asynchronous remote replication relationship based on a block service cluster. This architecture also synchronizes
data between primary and secondary volumes based on differential data. All the data generated on the primary volume after the last synchronization will be written to the secondary volume in the next synchronization.
A. True
B. False
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Reference: https://www.scribd.com/document/518536137/04-Huawei-OceanStor-Hyper-Series-Software-Pre-Sales-Training-V2-4-Zhao-Yanling
QUESTION 22
If balancing policies on a Huawei OceanStor 9000 are disabled, balancing tasks are not generated in such scenarios as adding, deleting, and disabling nodes, adding disks, disk pre-failure, and slow disks. If balancing policies are enabled
after node deletion, however, data balancing is automatically implemented.
A. True
B. False
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Reference: https://webcache.googleusercontent.com/search?q=cache:Fau6x0h7_B8J:https://support.huawei.com/enterprise/en/doc/EDOC1100067966/7c0c33c2/data-balancing+&cd=2&hl=en&ct=clnk&gl=pk
QUESTION 23 Which are basic rules for routine maintenance of Huawei OceanStor
Distributed Storage?
Correct Answer: B
Section: (none)
Explanation
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Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC0100486481?section=j005
A. A directory quota limits the maximum space for all files under a directory.
B. Huawei SmartQuota supports configuration of directory quotas on quota trees only.
C. A default directory quota is configured for a file system and applies to all quota trees.
D. A default directory quota does not record or update the usage status.
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100171247/a85ef825/working-principles
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QUESTION 25 What technology is used in
SmartDedupe?
A. SHA256
B. AES256
C. SHA128
D. SHA1
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Reference: https://e.huawei.com/en/material/MaterialDownload?materialid=2fcfd0c2127f424fb238d7298e4ced5f&language=tr (19)
A. You can check whether the versioning is enabled by viewing its state.
B. You can use versioning to save, query, and restore objects of different versions.
C. The versioning state can be configured and queried.
D. Versioning cannot be used to retain and archive data.
Correct Answer: A
Section: (none)
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Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/fr/doc/EDOC1100171290/d2fc2c3f/obtaining-bucket-versioning-status
A. InfoRevive ensures continuous availability of video surveillance services when the number of failed nodes or disks exceeds the upper limit.
B. After the read fault tolerance mode is enabled, if the number of failed nodes or disks exceeds the configured upper limit, all the damaged video file data can be recovered.
C. After the read/write fault tolerance mode is enabled, if the number of failed nodes or disks exceeds the configured upper limit, a specific proportion of damaged video file data can be recovered and data can still be written to the videofile.
D. InfoRevive is applicable not only to video surveillance scenarios, but also to TV stations and other media and assets industries.
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Reference: https://webcache.googleusercontent.com/search?q=cache:6LFx1IpfzN4J:https://support.huawei.com/enterprise/en/doc/EDOC1100096674/e02c2bda/inforevive-feature-guide+&cd=2&hl=en&ct=clnk&gl=pk
A. Point-to-point
B. Arbitrated loop
C. Switched fabric
D. Bridging
Correct Answer: D
Section: (none)
Explanation
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Explanation/Reference:
Explanation:
Fibre channel network topology employed by Huawei is bridging.
A. 256 MB
B. 64 KB
C. 512 MB
D. 64 MB
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
Reference: https://titanwolf.org/Network/Articles/Article?AID=138ad34c-61cb-421d-9ea6-1058da2e0641#gsc.tab=0
QUESTION 30
The data, logs, and change records of a medium- or large-size database are stored in LUN 1, LUN 2, and LUN 3, respectively. Remote replication tasks 1, 2, and 3 are created and the replication pairs are added to a consistency group.
Which of the following statements are true?
A. The three remote replication pairs can be added to a consistency group only on the primary storage system, and their secondary LUNs must be on the same remote storage system.
B. If remote replication task 2 is abnormal during data synchronization, remote replication tasks 1 and 3 are stopped immediately.
C. If remote replication task 2 is abnormal during data synchronization, remote replication tasks 1 and 3 are not stopped. After the fault is rectified, remote replication task 2 continues.
D. In the event of a disaster, data can be restored from the secondary storage system to ensure availability of the database.
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support-it.huawei.com/docs/en-us/dorado-v6/hyperreplication-userguide/rmtrep_desc_prop_group.html
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QUESTION 31
A company deploys a Huawei distributed storage system to build a new online transaction system. The company deploys database application software of the transaction system on virtual machines (VMs). Multiple data volumes are
mounted to VM. What are the best methods to ensure data restoration reliability?
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000035721?section=j004
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QUESTION 33
A live gaming platform uses the FlashLink multi-core technology of Huawei OceanStor all-flash storage for its services. Which of the following describes core grouping in CPUs?
A. A request is processed by one core until its completion. Cores are lock-free to avoid frequent switchovers among the cores.
B. Read/write I/Os are deployed in different core groups from other types of I/Os to avoid mutual interference.
C. The controller works with SSDs to identify hot and cold data in the system, improve garbage collection efficiency, and prolong the service life of SSDs.
D. vNodes are bound to CPUs to reduce the overheads for scheduling and transmission across CPUs.
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100135763/e185c3f0/product-highlights
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QUESTION 34 Which of the following statements about
InfoStamper are correct?
A. If file data in a source directory encounters non-physical damage such as incorrect deletion, overwriting, or virus attack, you can restore the data by accessing the file in the snapshot directory generated before the fault.
B. After a remote application task starts, snapshots are created at a preset interval. Then the incremental data at the snapshot point in time is replicated to the secondary directory.
C. The antivirus server reads files from snapshots for virus scanning, removal, and isolation.
D. Snapshots prevent data loss caused by consecutive faults and tolerate faults of sub-healthy disks.
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 35 Compared with traditional RAID algorithms, the erasure code redundancy technology provides higher reliability and more flexible redundancy policies. Which of the following statements about the working principle of erasure
code is false?
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
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Reference: https://support.huaweicloud.com/intl/en-us/twp-kunpengsdss/kunpengsdss_19_0021.html
QUESTION 36
Which of the following statements are true about a DR cluster with asynchronous remote replication enabled when the block service of Huawei distributed storage systems is used?
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/MainSequence!guestWebShell.action
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QUESTION 37 Which of the following statements are correct about the characteristics of a single file system in Huawei
distributed storage?
A. The system provides a unified file system for accessing all available space.
B. In a single file system, a file set is presented as a directory.
C. A unified file system is automatically created when the system is started.
D. When accessing a single file system, users need to pay attention to the specific data storage location.
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huaweicloud.com/intl/en-us/qs-sfs/en-us_topic_0034428727.html
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QUESTION 38
An enterprise uses a Huawei OceanStor hybrid flash storage system. For convenient management, the administrator created different quota trees in the root directory using SmartQuota for departments A, B, and C, respectively. Which of
the following statements are true about configuring quotas?
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000084198/fb18e9cf/creating-a-quota-tree
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QUESTION 39 Which of the following statements about Huawei OceanStor 6800 V5
Kunpeng are correct?
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Reference: https://e.huawei.com/en/products/storage/massive-storage/6800-v5
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QUESTION 40 Which of the following phases are involved in storage
planning and design?
A. Survey
B. Conceptual design
C. High level design
D. Low level design
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Explanation:
Site survey is an integral part of planning and designing storage system by Huawei.
QUESTION 41
A large Internet company plans to purchase Huawei OceanStor all-flash storage systems for its mission-critical services. Which of the following products are best suited for the requirements?
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Reference: https://e.huawei.com/en/products/storage/all-flash-storage/dorado-8000-18000-v6
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QUESTION 42 A file protected by
WORM cannot be:
A. Read
B. Deleted
C. Renamed
D. Created
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Reference: https://webcache.googleusercontent.com/search?q=cache:Koi651FfWucJ:https://support.huawei.com/enterprise/en/doc/EDOC1000138882/4d2606fa/working-principle+&cd=1&hl=en&ct=clnk&gl=pk
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QUESTION 43
Which of the following sequences is correct about the small I/O write cache scenario of the multi-level cache technology of Huawei distributed storage?
(1) Data is written to write-ahead logging (WAL) based on the SSD cache and a write completion message is returned to the host.
(2) When the memory write cache reaches a certain watermark, data starts to be flushed disks.
(3) Data is written to the write cache based on random access memory (RAM).
(4) Small I/Os are written to the SSD cache of the local node first. After small I/Os are aggregated into a large I/O, the large I/O is written to an HDD.
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 44
InfoAllocator is used to allocate 1 GB of hard capacity quota for directory A and 2 GB of hard capacity quota for subdirectory B under directory A. Which of the following statements are true?
Correct Answer: D
Section: (none)
Explanation
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Explanation/Reference:
QUESTION 45 Which of the following statements about the quota feature of Huawei
OceanStor 9000 is false?
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Reference: https://webcache.googleusercontent.com/search?q=cache:g2m-ZJpBE-oJ:https://support.huawei.com/enterprise/en/doc/EDOC1000122519/a5c21c60/viewing-quota-properties+&cd=3&hl=en&ct=clnk&gl=pk
A. Supports front-end and back-end interconnect I/O modules and uses a fully interconnected hardware architecture.
B. Supports SmartMatrix 3.0 to balance cache mirroring and service load.
C. Supports upgrade with a single FC link without being perceived by host multipathing.
D. Tolerates failure of three out of four controllers.
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
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QUESTION 47 What are the reasons for rapid development of the enterprise
cloud storage?
A. Enterprises have strong demands on resource pooling, shortened product go-to-market time, and reduced cost.
B. Storing service data to the cloud can reduce the possibility of misoperation and malicious theft compared to storing the data on the local PC.
C. Enterprise cloud storage can help improve the performance and reliability of typical or new applications.
D. For typical application scenarios such as VSI, VDI, and big data, enterprise cloud storage conserves more storage space, provides larger bandwidth, and enhances compatibility between virtual machines (VMs).
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Reference: https://www.huawei.com/~/media/CORPORATE/Images/PDF/WPaper_EN_Digital_SINGLE0829
QUESTION 48
IOPS is the key performance indicator for a storage system. Which of the following does NOT affect the IOPS of a storage system?
A. Disk type
B. RAID level
C. I/O characteristics
D. Hot spare space
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
Reference: https://techgenix.com/what-affects-iops-storage-system/#:~:text=The%20larger%20the%20block%20size,be%20lower%20with%20larger%20blocks
QUESTION 49 In which mode does InfoScanner send the path of the file to be scanned to the
antivirus proxy server?
A. Polling
B. Concurrency
C. Snapshot
D. Deduplication
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
A. LAN-Base
B. LAN-Free
C. Server-Less
D. Server-Free
Correct Answer: A
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Section: (none)
Explanation
Explanation/Reference:
QUESTION 51
During storage system delivery, an engineer fails to detect LUNs after scanning on a Linux service host. Which of the following statements about possible causes is false?
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000138881/aa55c8c3/failure-to-discover-luns-by-an-application-server
QUESTION 52
Which of the following protocols is used by the object service of Huawei distributed storage systems to obtain resource statistics of tenants and buckets?
A. REST
B. SSL
C. SNMP
D. SMI-S
Correct Answer: C
Section: (none)
Explanation
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Explanation/Reference:
A. Decreased performance
B. Cache processing capability
C. Decreased reliability
D. Service interruption
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000185158?section=o017
A. SmartPartition
B. SmartVirtualization
C. SmartQuota
D. SmartMigration
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000181479/ff2859de/using-smartmigration-and-smartvirtualization-to-migrate-an-oracle-asm-file-system
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QUESTION 55
Assuming a setup with 1 host (A), 1 controller (B), 1 switch (C) and 1 disk enclosure (D). The correct order of powering on in a new installation is:
A. A-B-C-D
B. D-C-B-A
C. A-C-B-D
D. D-B-C-A
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
A. Big data technology delivers more powerful data processing capabilities, but leads to more complex management than traditional technology.
B. Different from traditional data processing technology, big data processing technology processes data in various ways based on the data value.
C. In the big data era, distributed parallel processing is employed to process data. This data processing technique features flexible component scalability, powerful data management capability, and unified management.
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Reference: https://www.huawei.com/fr/technology-insights/publications/huawei-tech/77/big-results-from-big-data
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QUESTION 57 Which of the following statements about the
bucket is incorrect?
A. A bucket is a container for storing objects. It can be considered as a directory that can be accessed through the network.
B. Buckets can be nested, thereby avoiding complicated container structure.
C. The function of a bucket is similar to that of a container. Both of them can be accessed through the network.
D. Lifecycle management of a bucket means automatically deleting objects from buckets after a certain period of time based on configuration rules without client intervention.
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100171290/52ee4cc4/configuring-the-bucket-lifecycle
QUESTION 58 Which of the following statements are true about the functions and benefits of Huawei
SmartVirtualization?
A. It is compatible with mainstream heterogeneous storage systems, facilitating centralized planning and management of storage resources.
B. You can use the LUNs on a heterogeneous storage system without performing a full physical data mirroring, saving storage space.
C. Multiple functions, such as remote replication and snapshot, can be configured for the LUNs on a heterogeneous storage system.
D. A heterogeneous storage system can be configured using SmartVirtualization, to simplify management.
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000045760?section=j004
QUESTION 59 In storage planning and design, which of the following is NOT involved in
service planning?
A. Basic service
B. Capacity planning
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C. Value-added function
D. Network planning
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Explanation:
Value-added function is the part of the design language. Service planning involves planning the capacity, and the network used to connect the storage to other systems. Similarly, a basic service entity is also planned for the service that is
used by the storage.
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HCNP-Storage-CUSN(Constructing Unifying Storage Network) v7.0 (H13-621)
Page: 1 / 20
Total 297 questions
Question 1
Which of the following are true? (Select two Answers)
A. remote replication from LUN mapping to the application server can read and write on it
B. virtual snapshot mapping to the application server can read and write on it
C. after full amount LUN copy finished, target LUN can mapping to the application server can read and write on it
D. in process of incremental LUN copy, target LUN can mapping to the application server can read and write on it
Answer : B,C
Question 2
Which of the following statements of virtual snapshot of storage array is correct?
Answer : A
Question 3
The following which do not belong to the methods to improve the reliability of the data stored?
A. component redundancy
B. hot standby dis technology
C. cache mirroring technology
D. smart prefetching technique
Answer : D
Question 4
Which of the following operation process of virtual snapshot about storage array is correct?
A. create virtual snapshot - > create resource pool - > activate virtual snapshot - > virtual snapshot rolled back
B. create virtual snapshot - > activate virtual snapshot - > create resource pool - > virtual snapshot rolled back
C. create resource pool - > create virtual snapshot - > activate snapshot snapshot - > virtual snapshot rolled back
D. None of the above is correct
Answer : C
Question 5
In the multipath environments of iSCSI link, for failover failures, which aspects will be usually diagnosed? (Selected 3 answers)
Answer : A,B,C
Question 6
For the storage array products, which of the following reasons will cause full amount LUN copy fault? (Select 3 Answers)
Answer : A,B,C
Question 7
Which of the following methods and techniques are used in S5000T storage system to improve the performance? (Select 3 Answers)
Answer : A,B,C
Question 8
Ext3 file system only support the maximum partition of size 2T.
A. True
B. False
Answer : B
Question 9
What command is used by Linux platform to check nic physical connection status and working mode?
A. ifup ethX
B. ethtool ethX
C. ifconfig ethX
D. more /etc/sysconfig/network/ethX
Answer : B
Question 10
SAN storage system fault diagnosis focuses on the state of the controller, host port, cascade port, hard disk, RAID, LUN, and so on, usually check the
controller/RAID state first, then check the link and mapping statE.
A. True
B. False
Answer : A
Question 11
Under Solaris system, when configuration multipath, what command need to activate and boot the STMS function in all port?
A. stmsboot -e
B. stmsboot -u
C. stmsboot -d
D. stmsboot -L
Answer : A
Question 12
The operation process of the incremental of LUN copy in storage array, which is correct?
A. create LUN copy- > create resource pool- > select the source array and the source LUN- >select the target array and the target LUN- > start LUN copy
B. create LUN copy- > select the source array and the source LUN- > select the target array and the target LUN- > create resource pool- > start LUN copy
C. create resource pool- > create LUN copy- > select the source array and the source LUN- > select the target array and the target LUN- > start LUN copy
D. all above statement are wrong
Answer : C
Question 13
Which are the advantages of the optical switching topology relative to point-to-point and the arbitration ring? (Select 3 Answers)
Answer : A,B,C
Question 14
In the treatment of SAN storage system RAID failure, will often set the hot plate of system for free disk, mainly to avoid the system automatically start
refactoring.
A. True
B. False
Answer : A
Question 15
With Linux, a disk output is as follows.
# fdisk -l
Disk /dev/sd 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 2805 16386300 83 Linux
/dev/sdb2 2806 9729 55617030 5 Extended
/dev/sdb5 2806 3825 8193118+ 83 Linux
/dev/sdb6 3826 5100 10241406 83 Linux
/dev/sdb7 5101 5198 787153+ 82 Linux swap / Solaris
/dev/sdb8 5199 6657 11719386 83 Linux
/dev/sdb9 6658 7751 8787523+ 83 Linux
/dev/sdb10 7752 9729 15888253+ 83 Linux
Which of the following opinions are correct?
A. lack of sdb3 and sdb4, there is problem in disk partition table, should be restored partition table
B. the disk only has a primary partition
C. the disk has six logical partitions
D. the disk has seven logical partitions
Answer : B,C
Page: 1 / 20
Total 297 questions Previous Page Next Page
HCNP Storage CBDS (Constructing Big Data Storage) v6.0 (H13-622)
Page: 1 / 12
Total 181 questions
Question 1
When a NAS client attempts to connect to an OceanStor 9000 node, the user must enter the management IP address of the node.
A. TRUE
B. FALSE
Answer : B
Question 2
Which of the following does not demonstrate the characteristics of big data?
A. Analysis of the popularity of China railway lines during the Spring Festival travel rush in 2014
B. Analysis and forecast of global influenza with the use of search engines
C. Analysis of final exam scores of a university student
D. Data recording and analysis of a Chinese moon landing project
Answer : C
Question 3
Which of the following statements about the software features of the OceanStor 9000 are correct? (Select 2 answers)
Answer : A,B
Question 4
In N8500 clustered NAS system V200R001, how many redundant heartbeat links are set up between two nodes?
A. 1
B. 2
C. 3
D. 4
Answer : B
Question 5
Which of the following are the mandatory hardware components of an N8500 clustered
NASsystem?(Select 2 answers)
Answer : B,C
Question 6
Which are the key parameters used to evaluate the performance of an N8500 clustered
NAS storage system? (Select 3 answers)
Answer : A,B,C
Question 7
The CAP principle that a distributed database complies with involves three elements:consistency, availability, and partition tolerance. Which of the following
statements about the CAP principle that a distributed database complies with are correct?
(Select 3 answers)
Answer : A,B,C
Question 8
The OceanStor 9000 in the figure adopts GE networking and enables the InfoLink function for front-end services. How many IP address should be planned
for the front-end service network?
A. 8
B. 10
C. 24
D. 26
Answer : D
Question 9
The 10GE networking of an OceanStor 9000 uses a CE6850-48S4Q-EI switch. Which of the following statements about the switch are correct? (Select 2
answers)
Answer : B,D
Question 10
Which of the following statements about the LUN planning of the N8500 clustered NAS storage systems are correct? (Select 3 answers)
Answer : A,B,D
Question 11
Which of the following types of clients are supported by NFS sharing of the OceanStor
9000? (Select 3 answers)
A. Host name
B. IP address
C. Network group
D. AD domain
Answer : A,B,C
Question 12
Which of the following is the correct N8500 configuration procedure?
A. Go to the welcome page. > Confirm the networking. > Select a configuration file. > Configure storage units. > Configure the NA5 engine. > Configure the
device location. > Complete the deployment.
B. Confirm the networking. > Go to the welcome page. > Select a configuration file. > Configure storage units. > Configure the NAS engine. > Configure the
device location. > Complete the deployment.
C. Confirm the networking. > Go to the welcome page. > Configure storage units. > Select a configuration file. > Configure the NAS engine. > Configure the
device location. > Complete the deployment.
D. Confirm the networking. > Go to the welcome page. > Select a configuration file. > Configure the NAS engine. > Configure storage units. > Configure the
device location. > Complete the deployment.
Answer : B
Question 13
If the application scenario of an N8500 clustered NAS system is Mac OS, the OS can access shared files on the N8500 through NFS.
A. TRUE
B. FALSE
Answer : A
Question 14
The hardware faults of an engine node in an N8500 storage system do not include which of the following?
Answer : C
Question 15
Which of the following statements about the software installation of the OceanStor 9000 arecorrect?(Select 2 answers)
A. Before installing software, configure switches on the back-end storage network and the management network.
B. The OceanStor Toolkit must be installed on all storage nodes.
C. The OceanStor SystemReporter can be installed on any Windows server with qualified hardware and software.
D. You must purchase a license for the OceanStor SystemReporter.
Answer : A,C
Page: 1 / 12
Total 181 questions Previous Page Next Page
HCNP-Storage-CUSN(Constructing Unifying Storage Network) v7.0
Page: 1 / 20 Exam contains 299 questions
EXPAND ALL
Question 1
Striping depth change under random write performance rule of RAID5, which of the following is right?
A. with the increase of striping depth, IOPS random write first don't increase, after arrive to a certain degree, IOPS
random write will continue increasing
B. with the increase of striping depth, IOPS random write first will continue to increase, after arrive to a certain
degree, IOPS random write can achieve stability
C. with the increase of striping depth, IOPS random write first will continue to increase, after arrive to a certain
degree, IOPS random write will continue decreasing
D. with the increase of striping depth, IOPS random write first will continue to increase, after arrive to a certain
degree, IOPS random write will still continue increasing
Answer : C
NEXT QUESTION
Question 2
For system performance test, what kinds of the tools are divided into? (Select three
Answers)
Answer : A,B,C
NEXT QUESTION
Question 3
When centrally manage asynchronous remote copy homework through HostAgent, proposed to set asynchronous
remote replication time length to:
A. manual
B. at the beginning of the synchronization time waiting
C. at the end of the synchronous time waiting
D. automatic
Answer : A
NEXT QUESTION
Question 4
In IP SAN network, eliminates the iSCSI storage and iSCSI host business IP network is unable to connect.The main
screen from which several aspects? (Select two Answers)
NEXT QUESTION
Question 5
Fail to Login S2600V1R5 storage system by ISM, so the management network port IP address can be connected with
the management terminal IP address, which can normal login storage system through SSH, the state of showsys and
showctrlinfo is normal, what are the possible failure cause?(Select 3 Answers)
Answer : B,C,D
NEXT QUESTION
Question 6
Which of the sharing manners are Reliability Technology Cluster used in storing data?
(Selected 3 answers)
A. Mirror mode
B. No sharing
C. Full-sharing
D. Manual mode
Answer : A,B,C
NEXT QUESTION
Question 7
Which of the following options does not belong to the hardware components of IP SAN?
Answer : D
NEXT QUESTION
Question 8
To improve performance, hot zone should be distributed in traditional hard disk inside as far as possible, because
access data is fast in disk insidE.
A. True
B. False
Answer : B
NEXT QUESTION
Question 9
Before configuring the remote replication, need to set up the physical link connection between the local array and
the remote array A controller of this side array can only connect A controller of the remote array not be able to
the remote array.A controller of this side array can only connect A controller of the remote array, not be able to
connect to B controller of the remote array.
A. True
B. False
Answer : B
NEXT QUESTION
Question 10
A. 3260
B. 8088
C. 8443
D. 3206
Answer : A
NEXT QUESTION
Question 11
Under AIX platform, what command is to check the host mounts all devices?
A. cfgmgr –v
B. lspv
C. lsdev -Cc disk
D. rmdev -dl hdisk2
Answer : B
NEXT QUESTION
Question 12
If it spent 10s reading 100 100KB file and 0.1s reading a 10MB file, then how many times is the later transmission
bandwidth by the former?
A. 40188 times
B. 1 time
C. ten times
D. 100 times
Answer : D
NEXT QUESTION
Question 13
For incremental LUN copy of storage array, which of the following is correct?
A. it is real-time synchronization
B. in the process of copy, target LUN can mount to use
C. can be used in A-A backup mode
D. the incremental LUN copy and LUN copy use public License
Answer : D
NEXT QUESTION
Question 14
A. load balancing
B. Failover and Failback
C. data encryption
D. shielding redundant disk
Answer : A,B,D
NEXT QUESTION
Question 15
Asynchronous remote replication in configure storage array need to configure silence perioD.
A. True
B. False
Answer : B
Explanation:
176.The following performance tuning method, which do not belong to storage side operation?
Answer: D -
NEXT QUESTION
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EXPAND ALL
Question 1
If the service disk in slot 35 on a C node of the OceanStor 9000 is faulty, you are supposed to find this disk at the
front panel of the C node and then replace it.
A. TRUE
B. FALSE
Answer : B
NEXT QUESTION
Question 2
Before installing software for an OceanStor 9000 storage system, you must prepare required tools, cables, and
software packages. Which of the following statements about this preparation is incorrect?
Answer : C
NEXT QUESTION
Question 3
Which of the following statements about the configuration of the file system snapshot feature provided by an
N8500 clustered NAS system are incorrect? (Select 2 answers)
Answer : B,C
NEXT QUESTION
Question 4
In an N8500 clustered NAS system, at most how many 1 Gbit/s service ports can a single clustered NAS engine node
provide?
A. 4
B. 8
C. 12
D. 16
Answer : D
NEXT QUESTION
Question 5
In the OceanStor 9000, a file pool is a collection of files that have specific characteristics. A file pool policy defines
the rules for storing a file pool in a node pool.
A. TRUE
B. FALSE
Answer : A
NEXT QUESTION
Question 6
Which of the following statements about the CIFS share are correct? (Select 2 answers)
Answer : A,B
NEXT QUESTION
Question 7
An N8500 clustered NAS engine can be connected to a SAN storage array over a Fibre
Channel network and a SAS network concurrently.
A. TRUE
B. FALSE
Answer : B
NEXT QUESTION
Question 8
In the IB networking solution of the OceanStor 9000, which of the following statements about the IP address
planning of the front-end service network is correct?
A. Two static IP addresses on the front-end service network must be planned for each node.
B. Four dynamic IP addresses on the front-end service network must be allocated to each node for the IP address
pool used by the InfoLink function.
C. One InfoLink DNS IP address on the front-end service network must be planned.
D. One floating IP address on the front-end service network must be planned for each node.
Answer : D
NEXT QUESTION
Question 9
Which of the following statements about the N8500 configuration prerequisites are correct?
(Select 3 answers)
A. The heartbeat network ports of the clustered NAS engine are correctly connected to the heartbeat network.
B. The service network ports of the clustered NAS engine are not connected to the customer's service network
before they are configured.
C. The clustered NAS engine is correctly powered on and the statuses of the indicators are normal.
D. Hardware installation and cable connection of the clustered NAS engine are complete.
Answer : A,C,D
NEXT QUESTION
Question 10
In performance optimization of the N8500 clustered NAS storage systems, the top command is runand the following
output is displayed: top - 01:06:48 up 1:22, 1 user, load average:0.06, 0.60, 0.48
Tasks:29 total, 1 running, 28 sleeping, 0 stopped, 0 zombie
Cpu(s):0.3% us, 1.0% sy, 0.0% ni, 98.7% id, 0.0% wa, 0.0% hi, 0.0% si
Mem:191272k total, 173656k used, 17616k free, 22052k buffers
Swap:192772k total, 0k used, 192772k free, 123988k cached
Which of the following statements is incorrect?
Answer : A
NEXT QUESTION
Question 11
Which of the following statements about the file system used by the OceanStor 9000 is incorrect?
Answer : C
NEXT QUESTION
Question 12
Which of the following are included in Hadoop? (Select 3 answers)
A. HDFS
B. HBase
C. MapReduce
D. MPP DB
Answer : A,B,C
NEXT QUESTION
Question 13
Compared with traditional RAID algorithms, the Erasure Code redundancy technology provides higher reliability and
more flexible redundancy policies. Which of the following statements about Erasure Code is incorrect?
A. Data to be written is divided into multiple data blocks of the same size.
B. The Erasure Code algorithm calculates N parity blocks for every M consecutive data blocks. (The value of N is
smaller than that of M.)
C. M+N data blocks are concurrently stored to different nodes.
D. In Erasure Code storage mode, a concurrent failure of N-l disks is tolerated.
EXPOSE CORRECT ANSWER
Answer : D
NEXT QUESTION
Question 14
Which of the following disks are used by an N8500 clustered NAS engine as system disks?
Answer : D
NEXT QUESTION
Question 15
Which of the following issues are resolved by big data storage security technology? (Select
3 answers)
A. Integrity
B. Confidentiality
C. Availability
D. Continuity
Answer : A,B,C
NEXT QUESTION
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HCIP-Storage V5.0
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QUESTION 1
IOPS is the key performance indicator for a storage system. Which of the following does NOT affect the IOPS of a
storage system?
A. Disk type
B. RAID level
C. I/O characteristics
Correct Answer: D
QUESTION 2
A. Decreased performance
C. Decreased reliability
D. Service interruption
Correct Answer: A
QUESTION 3
Huawei OceanStor Distributed Storage must be equipped with a minimum of three nodes that can vary in types.
A. True
B. False
Correct Answer: B
QUESTION 4
When RAID2.0+ is used, what is the default size of a chunk on a SAS disk?
A. 256 MB
B. 64 KB
C. 512 MB
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D. 64 MB
Correct Answer: D
QUESTION 5
A colleague suggests using SmartMigration to improve write performance on certain LUNs. This is:
Correct Answer: C
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H13-624Q&As
HCIP-Storage V5.0
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QUESTION 1
Which of the following statements about Huawei OceanStor 1880 V5 Kunpeng are correct?
A. Supports front-end and back-end interconnect I/O modules and uses a fully interconnected hardware architecture.
C. Supports upgrade with a single FC link without being perceived by host multipathing.
Correct Answer: A
QUESTION 2
Logical ports are created on physical Ethernet ports, bound ports, or VLANs for service operations. A home port must
be specified. If the home port fails, services will fail over to another functioning port.
A. True
B. False
Correct Answer: A
QUESTION 3
Huawei OceanStor Distributed Storage is a storage platform that suits the characteristics of big data. The platform
employs the scale-out architecture and uses hardware that adopts the general-purpose.
A. True
B. False
Correct Answer: B
QUESTION 4
The persistence layer of Huawei distributed storage provides persistent storage, EC, and multi-copy capabilities. Plog
Client provides the append only plog access.
A. True
B. False
Correct Answer: B
QUESTION 5
If balancing policies on a Huawei OceanStor 9000 are disabled, balancing tasks are not generated in such scenarios as
adding, deleting, and disabling nodes, adding disks, disk pre-failure, and slow disks. If balancing policies are enabled
after node deletion, however, data balancing is automatically implemented.
A. True
B. False
Correct Answer: A
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QUESTION 1
Which of the following statements about big data processing technology are true?
A. Big data technology delivers more powerful data processing capabilities, but leads to more complex management
than traditional technology.
B. Different from traditional data processing technology, big data processing technology processes data in various ways
based on the data value.
C. In the big data era, distributed parallel processing is employed to process data. This data processing technique
features flexible component scalability, powerful data management capability, and unified management.
Correct Answer: B
QUESTION 2
IOPS is the key performance indicator for a storage system. Which of the following does NOT affect the IOPS of a
storage system?
A. Disk type
B. RAID level
C. I/O characteristics
Correct Answer: D
QUESTION 3
A. True
B. False
Correct Answer: B
QUESTION 4
An enterprise uses a Huawei OceanStor hybrid flash storage system. For convenient management, the administrator
created different quota trees in the root directory using SmartQuota for departments A, B, and C, respectively. Which of
the following statements are true about configuring quotas?
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QUESTION 5
When RAID2.0+ is used, what is the default size of a chunk on a SAS disk?
A. 256 MB
B. 64 KB
C. 512 MB
D. 64 MB
Correct Answer: D
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HCIP-Storage V5.0
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QUESTION 1
When creating disk domains select the option "All available disks" and then manually select disks.
A. True
B. False
Correct Answer: A
QUESTION 2
A. Decreased performance
C. Decreased reliability
D. Service interruption
Correct Answer: A
QUESTION 3
B. FastWrite
C. Memory ballooning
Correct Answer: A
QUESTION 4
An enterprise has deployed multiple applications, such as desktop cloud, database, video on demand (VoD), and
backup. These applications occupy a large amount of storage resources. The enterprise plans to use the deduplication
and compression features. Which of the following configurations are recommended?
A. Deduplication and compression are not recommended for VOD scenarios because video files have been compressed
by application software and re-compression will be inefficient.
B. Deduplication is recommended for desktop cloud scenarios because there is a large amount of duplicate data among
multiple virtual images.
C. Compression is recommended for database-scenarios because a large amount of data needs to be stored.
D. Deduplication is not recommended for backup scenarios because all backup data must be retained.
Correct Answer: C
QUESTION 5
A large Internet company plans to purchase Huawei OceanStor all-flash storage systems for its mission-critical services.
Which of the following products are best suited for the requirements?
C. OceanStor 2800 V5
D. OceanStor 9000
Correct Answer: B
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QUESTION 1
Which of the following features are used for data migration solution?
A. SmartPartition
B. SmartVirtualization
C. SmartQuota
D. SmartMigration
Correct Answer: D
QUESTION 2
In Huawei distributed storage systems, the asynchronous remote replication architecture of the block service
establishes an asynchronous remote replication relationship based on a block service cluster. This architecture also
synchronizes data between primary and secondary volumes based on differential data. All the data generated on the
primary volume after the last synchronization will be written to the secondary volume in the next synchronization.
A. True
B. False
Correct Answer: B
QUESTION 3
Which of the following statements about the versioning for buckets are correct?
A. You can check whether the versioning is enabled by viewing its state.
B. You can use versioning to save, query, and restore objects of different versions.
Correct Answer: A
QUESTION 4
A. A directory quota limits the maximum space for all files under a directory.
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C. A default directory quota is configured for a file system and applies to all quota trees.
D. A default directory quota does not record or update the usage status.
Correct Answer: A
QUESTION 5
The persistence layer of Huawei distributed storage provides persistent storage, EC, and multi-copy capabilities. Plog
Client provides the append only plog access.
A. True
B. False
Correct Answer: B
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QUESTION 1
B. FastWrite
C. Memory ballooning
Correct Answer: A
QUESTION 2
A colleague suggests using SmartMigration to improve write performance on certain LUNs. This is:
Correct Answer: C
QUESTION 3
In file sharing scenarios, which factors affect the performance of clients served by Huawei OceanStor 9000?
A. Application characteristics
B. Feature configuration
C. Service network
Correct Answer: B
QUESTION 4
In Huawei OceanStor 9000, a node pool is a collection of nodes that have the same characteristics such as physical
type and access performance, and dynamic storage tiering allows a user to group physical nodes in the same file
system into different node pools.
A. True
B. False
Correct Answer: A
QUESTION 5
Huawei hyper-converged storage supports parallel and fast data reconstruction. Data is fragmented in the resource
pool. A disk failure triggers automatic and parallel reconstruction of the actual data by the entire resource pool without
requiring hot spare disks.
A. True
B. False
Correct Answer: B
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