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Juniper JN0-664 Online Practice Questions and Exam Preparation

JN0-664 Exam Details

  • Exam Code
    :JN0-664
  • Exam Name
    :Service Provider Routing and Switching, Professional (JNCIP-SP)
  • Certification
    :Juniper Certifications
  • Vendor
    :Juniper
  • Total Questions
    :96 Q&As
  • Last Updated
    :Jan 19, 2026

Juniper JN0-664 Online Questions & Answers

  • Question 1:

    You must alter class-of-service values in packets on the outbound interface of an edge router. In this scenario, which CoS component allows you to accomplish this task?

    A. output policer
    B. scheduler
    C. rewrite rules
    D. forwarding classes

  • Question 2:

    Referring to the exhibit

    You are troubleshooting an issue for a customer site that uses 10.10.0.0/24 in AS 65224, but you see another AS in the AS path. What is the cause of the problem?

    A. AS 65000 is pre-pending AS 65137 to route advertisements.
    B. The local AS is in the process of withdrawing the route from AS 65137.
    C. AS 65137 is advertising the 10.10.0.0/24 prefix.
    D. The local AS is receiving two equal cost routes to 10.10.0.0/24.

  • Question 3:

    Referring to the exhibit

    The PE-to-CE protocol being used is OSPF for the L3VPN. Also, there is an OSPF neighborship between CE-1 and CE-2. Which statement is correct in this situation?

    A. You must set a high metric on the CE-1 to PE-1 link for hosts at Site-1 to use the CE-1 to CE-2 link to reach hosts at Site-2
    B. You must set a high metric on the CE-1 to CE-2 link for hosts at Site-1 to use the L3VPN to reach hosts at Site-2.
    C. Hosts at Site-1 will reach hosts at Site-2 through the CE-1 and CE-2 link by default.
    D. Hosts at Site-1 will reach hosts at Site-2 through the L3VPN by default.

  • Question 4:

    Referring to the exhibit Click the Exhibit button.

    Which statement is correct?

    A. VPN routes are exported with the target:65512:1 and target:65512:2 route targets.
    B. You cannot use the vrf-target and vrf-export statements in the same VRF.
    C. VPN routes with the target:65512:1 and target:65512:2 route targets are imported.
    D. VPN routes are exported with only the target:65512:1 route target

  • Question 5:

    Referring to the exhibit Which two statements are correct about the dual route re ectors within a cluster? (Choose two.)

    A. RR1 and RR2 must have the same duster ID to exchange routes learned from the client.
    B. RR1 and RR2 append the duster ID when advertising routes from dient to dient.
    C. RR1 and RR2 advertise routes learned from the clients to EBGP peers, using itself as the next hop.
    D. RR1 advertises routes from the client to RR2. using itself as the next hop.

  • Question 6:

    You have an L2VPN connecting two CEs across a provider network. The CEs and provider network are conU setting.

    You use the ping command from one CE to the other CE with a size of 1500 bytes.

    In this scenario, which statement is correct when using the ping command?

    A. You expect an ICMP message too long error.
    B. You expect an echo reply.
    C. You expect a silent discard.
    D. You expect the ping results to be fragmented.

  • Question 7:

    You are using a Layer 3 VPN to connect two customer sites. The VPN routes for the customer networks appear as hidden in the bgp.l3vpn.0 routing table on the PE routers. What is causing this problem?

    A. The routes use overlapping IP addresses.
    B. There is a routing loop in the service provider backbone.
    C. There is not an established MPLS LSP between the two PE routers.
    D. Route targets are not configured.

  • Question 8:

    Your network is receiving the 203.0.113.0/24 network using EBGP from AS 64500 and AS 64501. Both of these advertisements have identical local-preference values, AS-path lengths, and BGP origin codes. You want to infiuence the way your AS sends trahe 203.0.113.0/24 network.

    In this scenario, which attribute would you consider next when selecting the best path?

    A. router ID
    B. MED value
    C. peer IP address
    D. IGP metric

  • Question 9:

    Click the Exhibit button.

    Which two statements are correct about the class-of-service configuration shown in the exhibit? (Choose two.)

    A. Incoming traffic will be classified using the default classifier.
    B. The best-effort queue can never transmit more than 40% of the total bandwidth on the ge-0/0/0 interface, even if that bandwidth is available.
    C. Incoming traffic will not be classified because no classifier exists in the configuration.
    D. The best-effort queue can transmit more than 40% of the total bandwidth on the ge-0/0/0 interface, if no other queue is using that bandwidth.

  • Question 10:

    Which two statements about IS-IS are correct? (Choose two.)

    A. CSNPs are used to request a missing LSP.
    B. PSNPs are used to acknowledge a received LSP.
    C. PSNPs are used to request a missing LSP.
    D. CSNPs are used to acknowledge a received LSP.

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