JN0-351 by Juniper Actual Free Exam Q&As

Question 1

Which statement is correct about the storm control feature?

A. The storm control feature requires a special license on EX Series switches. B. The storm control feature is not supported on aggregate Ethernet interfaces. C. The storm control configuration only applies to traffic being sent between the forwarding and control plane. D. The storm control feature is enabled in the factory-default configuration on EX Series switches.

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Correct Answer: D Vote an answer

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Question 2

Which two BGP attributes must be supported by all BGP implementations and must be included in every update? (Choose two.)

A. MED B. next hop C. AS path D. community

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Correct Answer: B,C Vote an answer

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Question 3

Referring to the exhibit, which configuration change is needed for an IS-IS Level 1 adjacency between R1 and R2?

A. Configure the lo0 family ISO address 49.0002.0010.0042.0002.00 on R2 B. Configure the lo0 family ISO address 49.0002.0010.0042.0002.00 on R1 C. Disable Level 2 on R2's ge-0/0/1 interface D. Enable Level 2 on R1's ge-0/0/1 interface

Discussion 0

Correct Answer: A Vote an answer

Question 4

Which statement is correct regarding link aggregation groups (LAGs) in Junos OS?

A. LAGs cannot carry tagged VLAN traffic. B. A LAG combines multiple physical links into a single logical interface to increase bandwidth and provide redundancy. C. LACP is mandatory for all LAG configurations. D. LAG member links must be on different switches without any additional protocol.

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Correct Answer: B Vote an answer

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Question 5

Based on the traceoptions output shown in the exhibit, what is the problem with the adjacency?

A. area mismatch B. connectivity C. MTU mismatch D. authentication mismatch

Discussion 0

Correct Answer: A Vote an answer

Question 6

Which two statements are correct about aggregate routes in Junos OS? (Choose two.)

A. Aggregate routes can be configured with a policy to control which contributing routes are included. B. An aggregate route becomes active only when at least one contributing route is present, similar to a generated route. C. Aggregate routes cannot have their next hop set to "discard." D. An aggregate route is installed in the routing table regardless of whether contributing routes exist.

Discussion 0

Correct Answer: A,B Vote an answer

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Question 7

You have configured a GRE tunnel. To reduce the risk of dropping traffic, you have configured a keepalive OAM probe to monitor the state of the tunnel; however, traffic drops are still occurring.
Referring to the exhibit, what is the problem?

A. LLDP needs to be removed from the gr-1/1/10.1 interface. B. The "event link-adjacency-loss" option must be set. C. The hold-time value must be two times the keepalive-time value D. For GRE tunnels, the OAM protocol requires that the BFD protocols also be used.

Discussion 0

Correct Answer: C Vote an answer

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Question 8

Which statement is correct about Junos OS VLAN tagging using the 802.1Q standard?

A. 802.1Q is a Layer 3 protocol used for inter-VLAN routing. B. 802.1Q tagging removes the need for a native VLAN on trunk ports. C. 802.1Q inserts a 4-byte tag into the Ethernet frame to identify VLAN membership. D. 802.1Q tagging is only supported on point-to-point links.

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Correct Answer: C Vote an answer

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Question 9

Which two statements about redundant trunk groups on EX Series switches are correct? (Choose two.)

A. Layer 2 control traffic is permitted on the secondary link B. Redundant trunk groups load-balance traffic across two designated uplink interfaces. C. If the active link fails, then the secondary link automatically takes over. D. Redundant trunk groups must be connected to the same aggregation switch.

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Correct Answer: A,C Vote an answer

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Question 10

When electing a DIS in an IS-IS network, what is used to break a priority tie?

A. highest MAC address B. lowest router ID C. highest router ID D. lowest MAC address

Discussion 0

Correct Answer: A Vote an answer

Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) - JN0-351 Exam Practice Test