Free JN0-351 Questions for Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) JN0-351 Exam as PDF & Practice Test Engine

Exam Code/Number: JN0-351
Exam Name/Title: Enterprise Routing and Switching, Specialist (JNCIS-ENT)
Certification Provider: Juniper
Corresponding Certification: JNCIS-ENT

Exam Questions: 192
Updated On: Jul 31, 2026

Question #1

What is the management IP address of the device shown in the exhibit?

A. 172.23.12.100

B. 10.210.20.233

C. 172.23.11.10

D. 128.0.0.1

Discussion 0

Correct Answer: B Vote an answer

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Question #2

A host is connected to your EX Series switch using an interface with persistent MAC learning enabled. When you 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. Enter the clear dhcp snooping databasecommand.

B. Disable dynamic ARP inspection.

C. Configure the interface as a trunk port.

D. Enter the clear ethernet switching table persistent learningcommand.

Discussion 0

Correct Answer: D Vote an answer

Question #3

Which two statements are true about an EX2300 device? (Choose two.)

A. By default, trunk ports can carry untagged traffic.

B. By default, all switch ports are associated with the default VLAN.

C. By default, all switch ports are trunk ports.

D. By default, all switch ports are access ports.

Discussion 0

Correct Answer: B,D Vote an answer

Question #4

You are asked to change the setting for the LSAs age out back to the default value. In this scenario, which time interval will accomplish this task?

A. 3600 seconds

B. 600 seconds

C. 1800 seconds

D. 300 seconds

Discussion 0

Correct Answer: A Vote an answer

Question #5

Which two statements are correct about the Junos OS "show configuration | compare rollback 1" command? (Choose two.)

A. It displays the differences between the current candidate configuration and a previously committed configuration.

B. Lines prefixed with a plus (+) indicate additions, while lines prefixed with a minus (-) indicate deletions.

C. It immediately applies the rollback configuration without requiring a commit.

D. It can only compare against the active configuration, not the candidate configuration.

Discussion 0

Correct Answer: A,B Vote an answer

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Question #6

Which statement correctly describes the purpose of a routing policy's "then" clause in Junos OS?

A. It defines the match conditions for the policy.

B. It applies only to OSPF external routes.

C. It defines the actions taken when a route matches the specified conditions, such as accept, reject, or attribute modification.

D. It is only used for firewall filters, not routing policies.

Discussion 0

Correct Answer: C Vote an answer

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Question #7

Which two statements are correct about Junos OS "show ospf neighbor" command output showing a neighbor state of "2-Way"? (Choose two.)

A. The 2-Way state only occurs on point-to-point links.

B. DROthers on a broadcast segment typically remain in the 2-Way state with each other rather than progressing to Full.

C. Routers in the 2-Way state on a broadcast network have completed full database synchronization.

D. The 2-Way state indicates bidirectional communication has been established between two OSPF routers.

Discussion 0

Correct Answer: B,D Vote an answer

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Question #8

Which two statements about DHCP snooping are correct? (Choose two.)

A. The DHCP database maps IP addresses, MAC addresses, and the associated VLAN.

B. By default, the Junos OS treats access ports as trusted and trunk ports as untrusted.

C. DHCP snooping uses ARP to add statically defined IP addresses to its database.

D. DHCP snooping inspects all DHCP packets on untrusted ports.

Discussion 0

Correct Answer: A,D Vote an answer

Question #9

Which two statements are correct about Junos OS firewall filters? (Choose two.)

A. Firewall filters are processed top-down, and the first matching term's action is applied.

B. Firewall filters have an implicit "discard all" at the end of the filter.

C. Firewall filters have an implicit "accept all" at the end of the filter.

D. Firewall filters can only be applied to Layer 3 interfaces.

Discussion 0

Correct Answer: A,B Vote an answer

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Question #10

Which statement is correct about the IS-IS ISO NET address?

A. The Area ID must match on all devices within a L2 area.

B. You can only define a single ISO NET address per device.

C. An ISO NET address must be unique for each device in the network.

D. An ISO NET address defined with a system ID of 0000.0000.0000 must be selected as the DIS.

Discussion 0

Correct Answer: C Vote an answer

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Question #11

Referring to the exhibit, all users connected to the same VLAN can communicate with each other, but not with users on other VLANs in this network.

What must be configured to enable communication between the VLANs?

A. The switch ports to which the users are connected should be configured as trunk ports.

B. A single logical IRB interface must be created and assigned to all three VLANs.

C. A separate routing device is required to forward traffic between the configured VLANs.

D. A logical IRB interface must be created and assigned to each VLAN.

Discussion 0

Correct Answer: D Vote an answer

Question #12

Which two statements about MACsec are true? (Choose two.)

A. MACsec functions on point-to-multipoint connections.

B. MACsec does not provide data integrity.

C. MACsec functions on point-to-point connections.

D. MACsec is an IEEE standard.

Discussion 0

Correct Answer: C,D Vote an answer

Question #13

What are two purposes of an aggregate route? (Choose two.)

A. to allow external peers to see internal routes

B. to increase the number of route advertisements

C. to hide internal routes from external peers

D. to decrease the number of route advertisements

Discussion 0

Correct Answer: C,D Vote an answer

Free JN0-351 Questions for Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) JN0-351 Exam as PDF & Practice Test Engine

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