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Exam : JN0-349
Title : Enterprise Routing and

Switching, Specialist (JNCIS-
ENT)
Vendor : Juniper
Version : DEMO
1
JN0-349 study practice dump, JN0-349 prep guide, JN0-349 exam questions
https://www.braindumpspass.com/Juniper/JN0-349-practice-exam-dumps.html
NO.1 Which mechanism is used to share routes between routing tables?

A. forwarding instances
B. routing instances
C. filter-based forwarding
D. RIB groups
Answer: D
NO.2 Referring to the output shown in the exhibit, which statement is correct?
A. 11.0.0.102/32 is being per-packet load-balanced.

B. 11.0.0.102/32 is being per-flow load-balanced.
C. 11.0.0.108 is being per-packet load-balanced.
D. 11.0.0.108.32 is being per-flow load-balanced.
Answer: D
Explanation:
https://www.juniper.net/documentation//en_US/junos/topics/usage-guidelines/policy-configuring-
per-packet-load-balancing.html
NO.3 Which two characteristics are true for EBGP peerings? (Choose two.)
A. EBGP peers must be directly connected.
B. EBGP connect peer devices in two different autonomous systems.
C. EBGP connects peer device in the same autonomous system.
2
D. EBGP peers can be connected over a multihop connection.

Answer: B,D
NO.4 You configured a GRE that traverses a path using default MTU settings. You want to ensure
that
packets are not dropped or fragmented.
In this scenario. What is the maximum packet size that would traverse the GRE tunnel?
A. 1476
B. 1524
C. 1500
D. 1400
Answer: A
NO.5 Which two statement are correct? (Choose two.)
A. Router a sends routers learned from Router E to Router B, Router C, and Router D.
B. Router A does not send routers learned from Router E to Route B, Router C, and Router
3
C. Router A sends routers learned from Router D to Router B and router

D. Router A does not send routes learned from Router D to Router B and Router C.
Answer: A,D
NO.6 Your network is configured with dynamic ARP inspection (DAI) using the default parameters for
all the DHCP and ARP related configurations.
You just added a new device connected to a trunk port and configured it to obtain an IP address
using DHCP.
Which two statements are correct in this scenario? (Choose two.)
A. DHCP snooping adds the DHCP assigned IP address for the device to its database.
B. DAI validates the ARP packets for the new device against the DHCP snooping database.
C. The SRP request and response packets for the new device will bypass DAI.
D. The DHCP server assign the IP addressing information to the new device.
Answer: A,D
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/concept/port-security-dhcp-snooping-
els.html
NO.7 Which statement is correct about trunk ports?

A. Trunk ports must have an IRB assigned to accept untagged traffic.
B. Trunk ports mast have an IRB assigned to accept VLAN tagged traffic
C. By default, a trunk port can have only a single VLAN assigned
D. By default, trunk ports accept only VLAN tagged traffic
Answer: D
NO.8 You are adding a new EX4300 member switch to your existing EX4300 Virtual Chassis.
However,
the new member is not running the same Junos version as the other members.
By default, what is the expected behavior in this scenario?
A. The new switch will be assigned a member ID and then placed in an inactive state.
B. The new switch will be assigned a member ID and then placed in an inactive state.
C. The new switch is not recognized by the virtual Chassis.
D. The virtual Chassis will transition into a brain situation between the existing master Routing
Engine and the switch running the different version.
Answer: B
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/concept/virtual-chassis-ex4200-
software-automatic-update.html
NO.9 You want to use filter-based forwarding (FBF) to forward traffic sourced from subnet
10.0.0.0/24
to a specific destination.
Which two routing instance types would enable you to accomplish this task? (Choose two.)
A. virtual routing and forwarding
4
B. virtual switch
C. virtual router
D. forwarding
Answer: C,D
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/example/firewall-filter-option-filter-
based-forwarding-example.html
NO.10 Referring to the exhibit, which two statements about BGP prefixes advertised by R1 to AS
65501
are true? (Choose two.)
A. R1 will modify the originator ID attribute in prefixes advertised to AS 65501

B. R1 will modify the cluster list attribute in prefixes advertised to AS 65501
C. R1 will modify the AS path attribute in prefixes advertised to AS 65501
D. R1 will modify the next-hop attribute in prefixes advertised to AS 65501
Answer: B,C
5

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Title : Enterprise Routing and

NO.1 Which mechanism is used to share routes between routing tables?

A. 11.0.0.102/32 is being per-packet load-balanced.

D. EBGP peers can be connected over a multihop connection.

NO.5 Which two statement are correct? (Choose two.)

C. Router A sends routers learned from Router D to Router B and router

NO.7 Which statement is correct about trunk ports?

A. R1 will modify the originator ID attribute in prefixes advertised to AS 65501

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