Free Juniper JN0-351 Exam Practice Questions 2026

Stay ahead with 100% Free Enterprise Routing and Switching - Specialist (JNCIS-ENT) JN0-351 Practice Test Questions Dumps

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Total 108 Questions | Updated On: Jul 14, 2026

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Question 1

A host is connected to your EX Series switch using an interface with persistent MAC learning enabled. Whenyou connect the host to another interface on the same switch, all traffic generated by the host is dropped.Which action should you perform to solve the problem?

A : Disable dynamic ARP inspection.

B : Enter the clear Ethernet switching table persistent learning command.

C : Enter the clear dhcp snooping database command.

D : Configure the Interface as a trunk port.

Answer: B

Question 2

Which statement is correct about GRE tunnels?

A : GRE tunnels only support encapsulating IP traffic.

B : The time-to-live field in the tunnel payload is decremented during transit.

C : There are 20 bytes of overhead with GRE encapsulation.

D : GRE tunnels only support encapsulating non-IP traffic.

Answer: B

Question 3

In a LAN segment, which tie-breaker would spanning tree consider if equal-cost paths exist between two ormore switches to the root bridge?

A : port priority

B : bridge ID

C : port ID

D : interface number

Answer: A

Question 4

You are using tunnels in your network. It is important that the routes be specific enough to ensure that thetunnels are established. You need to prevent a route that is new to the network from being used.In this scenario, which type of route should be used?

A : aggregate

B : anycast

C : static

D : multicast

Answer: C

Question 5

You need to configure a LAG between your switches. In this scenario, which two statements are correct? (Choose two.)

A : Duplex and speed settings are not required to match on both participating devices.

B : Duplex and speed settings are required to match on both participating devices.

C : Member links are not required to be contiguous ports.

D : Member links are required to be contiguous ports.

Answer: B,C

Page: 1 / 22

Total 108 Questions | Updated On: Jul 14, 2026

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