JN0-662 Exam Details

  • Exam Code
    :JN0-662
  • Exam Name
    :Service Provider Routing and Switching - Professional (JNCIP-SP)
  • Certification
    :Juniper Certifications
  • Vendor
    :Juniper
  • Total Questions
    :66 Q&As
  • Last Updated
    :Jul 14, 2026

Juniper JN0-662 Online Questions & Answers

  • Question 21:

    Click the Exhibit button.

    You administer AS 65000, and have deployed a route reflector (RR1) in your network as shown in the exhibit. The traffic between AS 65001 and AS 65002 is going through the route reflector, even though it is not the best path. What will solve this problem?

    A. Change the LOCAL_PREF so that it uses the preferred path.
    B. Remove the nhs policy.
    C. Change the originator to be the preferred path.
    D. Change the IGP metric so it is lower on the preferred path.

  • Question 22:

    Click the Exhibit button.

    Routers R1, R2, and R3 have set protocols isis interface all configured and no other set protocols isis configuration. Referring to the exhibit, which two statements are true? (Choose two.)

    A. The R2-R3 link will form a Level 1 and Level 2 adjacency.
    B. The R1-to-R2 link will only form a Level 2 adjacency.
    C. The R1-to-R2 link will form a Level 1 and Level 2 adjacency.
    D. The R2-R3 link will only form a Level 1 adjacency.

  • Question 23:

    Click the Exhibit button.

    Referring to the exhibit, what must be added to the existing configuration to ensure that per-prefix load balancing occurs?

    A. multihop
    B. keep all
    C. multipath
    D. family inet unicast

  • Question 24:

    You are troubleshooting a Layer 3 VPN issue. The VPN has been passing traffic successfully for some time, but now it is reported that traffic is no longer flowing. You look into the bgp.l3vpn.0 table and see newly hidden routes. What would be the cause of this problem?

    A. The LSP used to connect the PE routers is down.
    B. The connection from the PE to the customer is down.
    C. The BGP routes received from the customer are no longer reachable.
    D. The family inet-vpn parameter was deleted from the BGP configuration of the PE router.

  • Question 25:

    After committing the following configuration change on your MPLS VPN PE router, all MPLS VPN destinations become unreachable.

    Which additional configuration solves the issue?

  • Question 26:

    Click the Exhibit button.

    Referring to the exhibit, the Layer 2 VPN between PE-1 and PE-2 is not functioning properly. What must you do to solve the problem?

    A. Set the remote site identifier to 3.
    B. Set the local site identifier to 3.
    C. Set the local site identifier to 1.
    D. Set the remote site identifier to 5.

  • Question 27:

    Click the Exhibit button.

    Referring to the topology shown in the exhibit, where will the attached bit be set?

    A. R4's level 1 database
    B. R4's level 2 database
    C. R3's level 1 database
    D. R3's level 2 database

  • Question 28:

    According to Juniper Networks, what are three methods of scaling Layer 2 VPNs? (Choose three.)

    A. inbound route filters
    B. route reflection
    C. outbound route filters
    D. filter-based forwarding
    E. BGP route refresh

  • Question 29:

    Click the exhibit button.

    What would be the expected outcome from the configuration shown in the exhibit?

    A. The VPLS instance would use a control-word instead of a tunnel-services interface, or no-tunnel-services parameter.
    B. The VPLS instance would default to using no-tunnel-services because a tunnel-services interface was not specified.
    C. The VPLS instance would cycle through all virtual tunnel interfaces on the router to find one to use.
    D. The VPLS instance would cycle through all physical interfaces configured on the router to find one to use.

  • Question 30:

    Click the Exhibit button.

    Referring to the exhibit, what must be added to the existing configuration to ensure that per-prefix load balancing occurs?

    A. multihop
    B. keep all
    C. multipath
    D. family inet unicast

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