Free JN0-349: Enterprise Routing and Switching, Specialist (JNCIS-ENT) Exam Questions and Answers

Last updated: August 31, 2026

Exam code

JN0-349

Provider

Juniper

Questions in our bank

1000+

Free to read

First 10, with answers

Official page

Official Exam website

Our test mode duration & pass mark

130 mins · 70%

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1. Question #1

   Click the Exhibit button. You are trying to form an IS-IS adjacency between Router A and Router B, but the IS-IS adjacency will not form between the two routers. Referring to the exhibit, which action would solve this problem?

   • A. Enable level 1 IS-IS routing on Router A.
   • B. Enable IS-IS wide metrics on Router A.
   • C. Enable level 2 IS-IS routing on Router B.
   • D. Enable IS-IS wide metrics on Router B.
   Reveal Answer

2. Question #2

   Which mechanism is used to share routes between routing tables?

   • A. RIB groups
   • B. routing instances
   • C. forwarding instances
   • D. filter-based forwarding
   Reveal Answer

3. Question #3

   You were provided a network diagram that told you to number your network from the 191.255.0.0/16 space. OSPF is enabled and adjacencies are up, but no routers are learning any routes. What can explain this?

   • A. The default OSPF export policies advertise nothing, so you need to apply export policy
   • B. The default OSPF import policy rejects all OSPF routes, so you need to apply import policy
   • C. You need to modify the martian table with a 191.255.0.0/16 accept statement
   • D. You need to enable OSPF on the lo0 interface to provide a route to the RID of each router in the network
   Reveal Answer

4. Question #4

   Click the Exhibit button. Referring to the exhibit, what does the asterisk(*) following the ge-0/0/5.0 interface indicate?

   • A. It indicates the interface is not active.
   • B. It indicates the interface is a trunk port.
   • C. It indicates the interface is an access port.
   • D. It indicates the interface is active.
   Reveal Answer

5. Question #5

   Which statement is correct about IS-IS link state PDUs?

   • A. They are used to maintain link-state database synchronization.
   • B. They are used to establish adjacencies.
   • C. They are used to build the link-state database.
   • D. They are used to determine whether the neighbors are Level 1 or Level 2.
   Reveal Answer

6. Question #6

   Exhibit. You are attempting to set up VRRP with R1 and R2 being participating members. You want R1 to be the master router and R2 to be the backup router with the virtual router they create being at address 172.25.100.1. The virtual router is not pinging from either User A or User B. Referring to the exhibit, what must be done to correct the problem?

   • A. The VRRP group value on R1 and R2 must match.
   • B. A VRRP authentication type value is needed on R1 and R2.
   • C. A VRRP policy is needed on R1 and R2.
   • D. The VRRP priority value on R1 and R2 must match
   Reveal Answer

7. Question #7

   You have an OSPF NSSA area that is also receiving IS-IS routes on the ASBR. In this scenario, which LSA type is used to announce external IS-IS routes?

   • A. Type 7
   • B. Type 8
   • C. Type 1
   • D. Type 4
   Reveal Answer

8. Question #8

   What is the primary function of a routing protocol?

   • A. To connect multiple VLANs
   • B. To determine the best path
   • C. To encrypt data
   • D. To manage switch ports
   Reveal Answer

9. Question #9

   Which command is used to display the routing table on a Juniper device?

   • A. show route
   • B. show ip route
   • C. display routes
   • D. print routing
   Reveal Answer

10. Question #10

    Which feature does IS-IS use to maintain its routing information?

    • A. Link State
    • B. Distance Vector
    • C. Path Vector
    • D. Optional Capability
    Reveal Answer