JN0-349 Exam Details

  • Exam Code
    :JN0-349
  • Exam Name
    :Enterprise Routing and Switching, Specialist (JNCIS-ENT)
  • Certification
    :Juniper Certifications
  • Vendor
    :Juniper
  • Total Questions
    :110 Q&As
  • Last Updated
    :Jul 14, 2026

Juniper JN0-349 Online Questions & Answers

  • Question 1:

    Which two port security mechanisms rely on an accurate DHCP snooping database to operate correctly? (Choose two.)

    A. IP source guard
    B. persistent MAC learning
    C. MACsec
    D. dynamic ARP inspection

  • Question 2:

    Click the Exhibit button. ---- Exhibit Missing ---

    Referring to the exhibit, which three statements are correct? (Choose three.)

    A. R1 and R3 can form a Layer 2 IS-IS adjacency.
    B. R2 and R4 can form a Layer 1 IS-IS adjacency.
    C. R3 and R4 can form a Layer 2 IS-IS adjacency.
    D. R1 and R3 can form a Layer 1 IS-IS adjacency.
    E. R3 and R4 can form a Layer 1 IS-IS adjacency.

  • Question 3:

    You are configuring IS-IS on the newly provisioned ae88 interface. After you commit the configuration, you notice that your adjacency is not showing up.

    Referring to the exhibit, what is the reason for the adjacency being down?

    A. R1 and R2 are configured for different metrics.
    B. R1 and R2 are in different IS-IS levels.
    C. R1 and R2 have different interface parameters.
    D. R1 and R2 are configured for different areas.

  • Question 4:

    Click the Exhibit button.

    Referring to the exhibit, Router 1 learns about Route X.

    Which statement is correct about Route X when using the default BGP advertisement rules?

    A. R1 will not advertise this route to any peers.
    B. R3 will not advertise this route to R4 or R5 without an explicit policy.
    C. R4 and R5 will not advertise this route to each other.
    D. R2 will not advertise this route to R3 without an explicit policy.

  • Question 5:

    You must limit access to a printer with a persistent DHCP address of 2001:db8:0000:50::10/64 in VLAN v50 to users assigned to VLAN v50 only. Which action would satisfy this requirement?

    A. Implement persistent MAC learning to ensure that 2001:db8:0000:50::10 is allocated properly.
    B. Implement a firewall filter on the IRB interface for VLAN v50, blocking traffic to/from 2001:db8:0000:50::10.
    C. Implement a firewall filter on the VLAN v50, blocking traffic to/from 2001:db8:0000:50::10.
    D. Implement DHCP snooping on VLAN v50 to ensure that 2001:db8:0000:50::10 is allocated properly.

  • Question 6:

    You are asked to configure filter-based forwarding (FBF) to forward traffic sourced from a specific subnet to a webserver. In this scenario, which mechanism is used to add interface routes to the forwarding routing instance used in FBF?

    A. generated routes
    B. RIB groups
    C. forwarding policy
    D. routing policy

  • Question 7:

    Referring to the exhibit, which interface is assigned the active VIP?

    A. Router A ge-0/0/2
    B. Router B ge-0/0/1
    C. Router A ge-0/0/1
    D. Router B ge-0/0/2

  • Question 8:

    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

  • Question 9:

    A BGP session shows the state as active. What does the state indicate in this scenario?

    A. A keepalive message has been received.
    B. The BGP session is fully established and routes are being passed.
    C. The TCP connection is successful, and BGP is waiting for the OPEN message from its peer.
    D. The routes are still trying to establish a TCP connection.

  • Question 10:

    What are three requirements to ensure proper GRE or IP-IP tunnel routing? (Choose three.)

    A. Keepalives must be used on stateless tunneling protocols.
    B. Tunnel endpoints must have a route that directs traffic into the tunnel.
    C. BGP must be used on intermediate devices.
    D. Tunnel endpoints must have a valid route to the remote endpoint.
    E. All intermediary devices must have a route to the tunnel endpoints.

Tips on How to Prepare for the Exams

Nowadays, the certification exams become more and more important and required by more and more enterprises when applying for a job. But how to prepare for the exam effectively? How to prepare for the exam in a short time with less efforts? How to get a ideal result and how to find the most reliable resources? Here on Vcedump.com, you will find all the answers. Vcedump.com provide not only Juniper exam questions, answers and explanations but also complete assistance on your exam preparation and certification application. If you are confused on your JN0-349 exam preparations and Juniper certification application, do not hesitate to visit our Vcedump.com to find your solutions here.