Juniper jn0-351 practice test

enterprise routing and switching, specialist (jncis-ent)

Last exam update: Sep 12 ,2024
Page 1 out of 6. Viewing questions 1-10 out of 65

Question 1


Referring to the exhibit, which statement is correct?

  • A. The local device is using a bridge priority of 4k.
  • B. The root bridge is using a bridge priority of 4k.
  • C. The root bridge has not been elected for this RSTP topology
  • D. The local device is the root bridge for this RSTP topology.
Answer:

b

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Question 2


Your BGP neighbors, one in the USA and one in France, are not establishing a connection with each other.
Referring to the exhibit, which statement is correct?

  • A. The BFD liveness is set too low.
  • B. The BFD liveness must be configured on the BGP neighbor.
  • C. The BFD liveness must be configured on the BGP group.
  • D. The BFD liveness is set too high.
Answer:

b

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Question 3

You want to use filter-based forwarding (FBF) on your Internet peering router to load-balance traffic to two directly connected ISPs based on the source address.
Which two statements are correct in this scenario? (Choose two.)

  • A. FBF uses the no-forwarding routing instance type.
  • B. FBF uses the forwarding routing instance type.
  • C. RIB groups are used to copy routes from the inet.0 routing table.
  • D. RIB groups are used to hide routes in the inet.0 routing table.
Answer:

bc

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Question 4


Referring to the output shown in the exhibit, which statement is correct?

  • A. The state is normal for a DR neighbor.
  • B. The state is normal for a DRother neighbor.
  • C. An MTU mismatch exists between the OSPF neighbors.
  • D. An area ID mismatch exists between the OSPF neighbors.
Answer:

b

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Question 5


You want to verify prefix information being sent from 10.36.1.4.
Which two statements are correct about the output shown in the exhibit? (Choose two.)

  • A. The routes displayed have traversed one or more autonomous systems.
  • B. The output shows routes that were received prior to the application of any BGP import policies.
  • C. The output shows routes that are active and rejected by an import policy.
  • D. The routes displayed are being learned from an IBGP peer.
Answer:

bd

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Question 6

Which two statements are correct about tunnels? (Choose two.)

  • A. BFD cannot be used to monitor tunnels.
  • B. Tunnel endpoints must have a valid route to the remote tunnel endpoint.
  • C. IP-IP tunnels are stateful.
  • D. Tunnels add additional overhead to packet size.
Answer:

bd

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Question 7

An update to your organization's network security requirements document requires management traffic to be isolated in a non-default routing-instance. You want to implement this requirement on your Junos-based devices.
Which two commands enable this behavior? (Choose two.)

  • A. set routing-instances mgmt_junos interface ge-0/0/0
  • B. set routing-instances mgmt_junos interface em1
  • C. set system management-instance
  • D. set routing-instances mgmt_junos
Answer:

cd

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Question 8

You are an operator for a network running IS-IS. Two routers are failing to form an adjacency.
What are two reasons for this problem? (Choose two.)

  • A. There are mismatched router IDs on the L2 routers.
  • B. There is no configured ISO address on any IS-IS interface.
  • C. There is a mismatched area ID between the L2 routers.
  • D. The family iso configuration is missing from the adjacency interface.
Answer:

bd

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Question 9


Your ISP is announcing a default route to both R1 and R2. You want your network routers to forward all Internet traffic through the R1 device.
Which BGP attribute would you use?

  • A. MED
  • B. next-hop
  • C. local preference
  • D. origin
Answer:

c

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Question 10

You are asked to create a new firewall filter to evaluate Layer 3 traffic that is being sent between VLANs.
In this scenario, which two statements are correct? (Choose two.)

  • A. You should create a family Ethernet-switching firewall filter with the appropriate match criteria and actions.
  • B. You should apply the firewall filter to the appropriate VLAN.
  • C. You should create a family inet firewall filter with the appropriate match criteria and actions.
  • D. You should apply the firewall filter to the appropriate IRB interface.
Answer:

cd

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