1. The multicast address FF02::2 indicates all routers in the link-local range.

A. True
B. False

Answer: A

2. The basic header length of an IPv6 message is a fixed value :

A. True
B. False

Answer: A

3. If the network administrator does not configure a backbone area, the router
automatically creates a backbone area.
A. True
B. False

Answer: B

4. The STP root switch is elected based on the priority of the switch. In RSTP,
the switch priority and MAC address are compared at the same time.
A. True
B. False

Answer: B
5. In the DHCPv6 stateless automatic allocation scheme, the host does not need
to send any DHCPv6 packets.
A. True
B. False

Answer, B

6. Ethernet frames are processed and forwarded in the form of ULAN TAGs
inside the switch
A. True
B. False

Answer: A

7. A router running OSPF can reach the FULL state after completing the LSDB
synchronization.
A. True
B. False

Answer: A

8. Only devices with an IP address of 172.16.105.2 are allowed to log in

remotely.
A. True (Right Answers)
B. False
Answer: A
9. When forwarding a IPv6 packet, the router needs to find the routing table
based on the source FP address of the [P6 packet.
A. True
B. False

Answer: B

10. 675. When an iPv6 interface receives a packet whose Hop Limit class has a
value of 1, the packet is not forwarded.
A. True
B. False

Answer: A

11.In the RSTP protocol, the PIA mechanism requires that the link between two
switching devices be in point-to-point full-duplex mode.
A. True
B. False

Answer: A

12. The packet that the DHCP server responds to the client must be a unicast
packet.
A. True
B. False

Answer: B
13. The Layer 2 switch belongs to the data link layer device and can identify the
MAC address information in the data frame, forward the data according to the
MAC address, and record the MAC address and the corresponding pod
information in its own internal MAC address table.
A True
B. False

Answer:A

14. If the network address of a network is 192.168.1.0, then its broadcast

address must be 192.168.1.255.
A. True
B. False

Answer: B

15.The AGL does not filter the traffic that the device itself generates to access
other devices. Only the forwarded traffic is filtered. The forwarded traffic includes
traffic that other devices access the device.
A True
B. False

Answer: A

16. When a port of a switch receives a non-carried VLAN TAG data frame, it
must add a PVID.
A. True
B. False
Answer: A
17. All interfaces of the router belong to the same broadcast domain.
A. True
B. False

Answer: B

18. The rule for creating a VLAN on a Huawei switch is that VLAN4095 cannot be
created and VLAN 1 cannot be deleted.
A. True
B. False

Answer: A

20. When two OSPF routers form a TWO-WAY neighbor relationship, the LSDB
has completed synchronization, but the SPF algorithm has not been run.
A. True
B. False

Answer: B

21. NAPT distinguishes the [P addresses of different users by protocol numbers

in TCP or UDP or IP packets.
A. True
B. False
Answer: B

22. The aggregation port of the router can be configured with a routing sub
interface.
A. True
B. False
Answer: A
23. The Message Age in the configuration BPDU sent by the root bridge in the
STP protocol is 0.
A. True
B. False

Answer: A

24. The load balancing modes of the two ends of the Eth-Trunk can be
inconsistent.
A. TRUE
B. FALSE

Answer: A

25. In RSTP mode, interfaces in the Discarding state discard received data
frames but maintain the MAC address table based on received data frames.
A. TRUE
B. FALSE

Answer: B

26. What is the priority of the bridge priority in the IEEE 802.1D standard?
A. 8
B. 4
C. 16
D. 2

Answer: A
27.network administrator has captured a data frame in the network with the
destination MAC address of 01-00-5E-A0-BI-C3. The correct statement about
this MAC address /
A It is a unicast MAC address
B. It is a broadcast MAC address
C. It is a multicast MAC address
D. It is an illegal MAC address

Answer:C

28. Which of the following is not the working principle of CSMNCD?

A. Listen While Talk
B. RRetransmission after a fixed time delay
C. Conflict suspension
ITh Retransmission after random delay
E. Listen Before Talk

Answer: B

29. Which of the following parameters does not the configuration BPDU packet of
the STP protocol?
A. Port ID
B. Bridge ID
C. VLAN ID
D. Root ED

Answer: C
30. Which of the following OSPF versions are suitable for IPv6?
A. OSPFv2
B. OSPFv3
C. OSPFv4
D. OSPFv1

Answer: B

31. Which of the following about the statement of static routing are incorrect?
A. Manual configuration by network administrator
B. Inter-route information needs to be exchanged between routers
C. Can not automatically adapt to changes in network topology
D. Low system performance requirements

Answer: B

32. Which of the following commands can be used to check whether OSPF has
correctly established neighbor relationships?
A. display ospf neighbor
B. display ospf brief
C. display ospf peer
D. display ospf interface

Answer: C

33. If the IP address requested by the DHCP client is already occupied, which
packet will the DHCP server use as the response?
A. DHCP ACK
B DHCP RELEASE
G. DHCP NAK
D. DHCP DISCOVER
Answer: C

34.Which DHCP message does the DHCP client send when it wants to leave the
network?
A. DHCP DISCOVER
B. DHCP RELEASE
C.DHCP REQUEST
D.DHCP ACK

Answer: B

35. Huawei devices can be managed using the Telnet protocol. Which of the
following statements is correct about this management function?
A The port number used by Telnet defaultly is 22, which cannot be modified
B. Telnet must enable the VTY interface, and the maximum is 15
C. Telnet does not support authentication based on username and password
D. Telnet does not support deploying ACLs to increase security.

Answer: B

36. How many types of OSPF packets are there?

A. 3
B. 4
C. 5
D. 2

Answer: C
37. When upgrading the router software using the FTP protocol, which transfer
mode should be selected?
A. Text mode
B. Byte mode
G. Streaming byte mode
D. Binary mode

Answer: D

38. Which message does the DHCP server use to confirm that the host can use
the IP address?
A. DHCP ACK
B. DHCP DISCOVER
C. DHCP REQUEST
D. DHCP OFFER

Answer: A

39. A Windows host is started for the first time. If the IP address is obtained by
DHCP, what is the source IP address of the first packet sent by this host?
A. 127.0.0.1
B. 255.255.255.255
C. 0.0.0.0
D. 169.254.2.33

Answer: C
40. What is the range of VLAN [Ds that users can use?
A. 0-4096
B. 1-4096
C. 1-4094
D. 0-4095

Answer: C

41. In the following options, which is the necessary technology to enable a host
with an IP address of 10 0 0 1 to access the Internet?
A. Dynamic routing
B. NAT
C. Route introduction
D Static routing

Answer: B

42. Which of the following statements about the TTL field in the IP packet header
is correct?
A. Whenever a IP packet passes through a router, its TTL value is decremented
by 1.
B. Whenever a IP packet passes through a router, its TTL value will be increased
by 1.
C. TTL defines the time interval at which the source host can send packets.
D. TTL defines the number of packets that the source host can send.

Answer: A
43. Which of the following is not included in the VRP system login method?
A. Telnet
B. SSH
C_ Netstream
D. Web

Answer: C

44. Which of the following descriptions about the specified port of the spanning
tree is correct?
A. The part en the root switch must not be the designated port.
B. The designated port can forward configuration BPDUs to the network segment
connected to it.
G. Each switch has only one designated purl
D. Specify the porno forward configuration BPDUs from this switch to the root
switch.

Answer: B

45. Which of the following routing protocols has the highest priority?
A. Direct
B. RIP
C. OSPF
D. Static

Answer: A
50. What port states might exist on a switch with standard STP protocol enabled?
(Multiple Choice)
A. Discarding
B. Listening
C. Disabled
D. Forwarding

Answer: BCD

51. If an Ethernet data frame Length/Tyme=0z8100, which may be the payload of

this data frame? (Multiple Choice)
A. TCP data segment
B. UDP data
C. ICMP packet
D. ARP packet

Answer: ABCD

52. Network administrators use Ping to test network connectivity. Which of the
following protocols might he used in the process? (Multiple Choice)
A ARP
B. TCP
C ICMP
D. UDP

Answer: AC
53. 700.[RTA] ac12002
[RTA-acl-basic-2002] rule deny source 172.16.1.1 0.0.0.0
[RTA-acl-basic-2002] rule deny source 172.16.0.0 0 255.0.0
Using the ACL matching route entry shown above on the router RTA, which of
the following entries will be matched? (Multiple Choice)
A. 192.17.0.0/24
B. 172.16.1.1/32
C. 172.16.1.0/24
D. 172.48.0.0/16

Answer: BD

54. The subnet mask of a network segment 150.25.0.0 is 255.255.224.0, then

which is the valid host address in the network segment? (Multiple Choice)
A. 150.25.2.24
B. 150.15.3.30
C. 150.25.0.0
D. 150.25.1.255

Answer: AD

55. Which descriptions are correct about DD packets and LSA in OSPF?
(Multiple Choice)
A. The head of the LSA can uniquely identify an LSA
B. The DO packet contains only the header information of the LSA.
C. DO packet contains LSA details
D. LSA head is only a small part of the LSA

Answer: ABD
56. Which descriptions are correct about the Ethernet subinterface? (Multiple
Choice)
A. The subinterface cannot be configured with an IP address.
B. A subinterface can be bound to multiple VLANs
C. The [P address of the sub-interface cannot belong to the same network
segment.
D. The subinterface ID should be the same as the VLAN 10

Answer: BC

57. Regarding the main function of the router; which of the following statements
are wrong? (Multiple Choice)
A. Establish routing tables through multiple protocols
B. Guide data forwarding according to the routing table
C. Forward according to the source IP address of the received packet
D. Realize communication between devices on the same network segment

Answer: CD

58. Which of the following descriptions are correct about the PPP? (Multiple
Choice)
A PPP supports bundling multiple physical links into logical links to increase
bandwidth
B. PPP supports plaintext and ciphertext authentication
C. PPP is not scalable and cannot be deployed on an Ethernet link.
D. For the physical layer, PPP supports asynchronous links and synchronous
links.
E. PPP supports multiple network layer protocols such as 'PCP and IPXCP.

Answer: ABDE
59. If the Ethernet data frame is Lengthaype=0x0806, which of the ft:Mowing
statement is correct? (Multiple Choice)
A. This data frame is an Ethernet H frame.
B. This data frame is an IEEE 802.3 frame
C. The source MAC address of this data frame must not be FFFF-FFFF-FFFFF
D The destination MAC address of this data frame must
be FFFF-FFFF-FFFFF.

Answer: AC

60. Which of the fallowing storage media are commonly used by Huawei routers?
(Multiple Choice)
A. SDRAM
B. NVRAM
C_ Flash
D_ Hard Disk
E. SD Card

Answer: ABCE