Download Juniper Enterprise Routing and Switching, Specialist.JN0-351.ExamTopics.2026-04-15.106q.tqb

Vendor: Juniper
Exam Code: JN0-351
Exam Name: Juniper Enterprise Routing and Switching, Specialist
Date: Apr 15, 2026
File Size: 2 MB
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Demo Questions

Question 1
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.)
  1. There are mismatched router IDs on the L2 routers.
  2. There is no configured ISO address on any IS-IS interface.
  3. There is a mismatched area ID between the L2 routers.
  4. The family iso configuration is missing from the adjacency interface.
Correct answer: B, D
Question 2
Two routers share the same highest priority and start time.
In this situation, what is evaluated next when determining the designated router?
  1. The router with the lowest router ID become the DR.
  2. The router with the highest router ID becomes the DR.
  3. The routers perform another DR election.
  4. The router with the highest MAC address become the DR.
Correct answer: B
Question 3
You are concerned about spoofed MAC addresses on your LAN.
Which two Layer 2 security features should you enable to minimize this concern? (Choose two.)
  1. dynamic ARP inspection
  2. IP source guard
  3. DHCP snooping
  4. static ARP
Correct answer: A, C
Question 4
Referring to the output shown in the exhibit, which statement is correct?
  1. The state is normal for a DR neighbor.
  2. The state is normal for a DRother neighbor.
  3. An MTU mismatch exists between the OSPF neighbors.
  4. An area ID mismatch exists between the OSPF neighbors.
Correct answer: B
Question 5
What does the * indicate in the output shown in the exhibit?
  1. The switch ports have a router attached.
  2. The interface is down.
  3. The interface is active.
  4. All interfaces have elected a root bridge.
Correct answer: C
Question 6
The ISP1.inet.0 route table has currently no routes in it.
What will happen when you commit the configuration shown on the exhibit?
  1. The inet.0 route table will be completely overwritten by the ISP1.inet.0 route table.
  2. The inet.0 route table will be imported into the ISP1.inet.0 route table.
  3. The ISP1.inet.0 route table will be completely overwritten by the inet.0 route table.
  4. The ISP1.inet.0 route table will be imported into the inet.0 route table.
Correct answer: B
Question 7
In RSTP, which three port roles are associated with the discarding state? (Choose three.)
  1. root
  2. backup
  3. alternate
  4. disabled
  5. designated
Correct answer: B, C, D
Question 8
Which statement is correct about the IS-IS ISO NET address?
  1. An ISO NET address defined with a system ID of 0000.0000.0000 must be selected as the DIS.
  2. An ISO NET address must be unique for each device in the network.
  3. You can only define a single ISO NET address per device.
  4. The Area ID must match on all devices within a L2 area.
Correct answer: B
Question 9
You are troubleshooting a BGP routing issue between your network and a customer router and are reviewing the BGP routing policies.
Which two statements are correct in this scenario? (Choose two.)
  1. Export policies are applied to routes in the RIB-In table.
  2. Import policies are applied to routes in the RIB-Local table.
  3. Import policies are applied after the RIB-In table.
  4. Export policies are applied after the RIB-Local table.
Correct answer: C, D
Question 10
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?
  1. The BFD liveness is set too low.
  2. The BFD liveness must be configured on the BGP neighbor.
  3. The BFD liveness must be configured on the BGP group.
  4. The BFD liveness is set too high.
Correct answer: A
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