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Juniper JN0-649 Online Practice Questions and Exam Preparation

JN0-649 Exam Details

  • Exam Code
    :JN0-649
  • Exam Name
    :Enterprise Routing and Switching, Professional (JNCIP-ENT)
  • Certification
    :Juniper Certifications
  • Vendor
    :Juniper
  • Total Questions
    :65 Q&As
  • Last Updated
    :Jul 09, 2026

Juniper JN0-649 Online Questions & Answers

  • Question 21:

    You are implementing the route summarization feature of OSPF. Which two results do you achieve in this scenario? (Choose two.)

    A. It helps in migrating to future multi-area OSPF network designs.
    B. It reduced the routing table size, enabling devices to store and process lessinformation.
    C. It reduces the impact of topology changes on a device.
    D. It provides optimal routing in the network.

  • Question 22:

    Your network is multihomed to two ISPs. The BGP sessions are established; however, the ISP peers are not receiving any routes.

    Which two statements are correct about troubleshooting your configuration? (Choose two.)

    A. Verify the import policies on your router.
    B. Verify that the BGP routes are active in your routing table.
    C. Verify the export policies on your router.
    D. Verity that the multihop settings are configured on your router.

  • Question 23:

    A Layer 2 connection does not expend across data centers. The IP subnet in a Layer 2 domain is confined within a single data center. Which EVPN route type is used to communicate prefixes between the data centers?

    A. Type 1
    B. Type 2
    C. Type 4
    D. Type 5

  • Question 24:

    Referring to the exhibit, anycast RP is implemented to ensure multicast service availability. The source is currently sending multicast traffic using group 239.1.1.1 and R3 is receiving PIM register messages, but R2 does not have active source information.

    In this scenario, what are two methods to receive the active source information on R2? (Choose two.)

    A. Configure an RP set in PIM on R1, allowing R1 to forward PIM register messages to R2 and R3 in the set.
    B. Configure an MSDP protocol between R2 andR3.
    C. Configure an RP set in PIM on R2 and R3, allowing the RPs to forward PIM register messages to the other RPs in the set.
    D. Configure an MSDP protocol between R1 and R2.

  • Question 25:

    You are deploying an 802.1X solution and must determine what would happen if clients are unable to re-authenticate to the RADIUS server.

    In this scenario, which configuration would provide access to the network if the supplicant is alreadyauthenticated?

    A. move
    B. permit
    C. deny
    D. sustain

  • Question 26:

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

    A. BPDUs from the root bridge for VLAN 10 have been received on the ge-0/0/7.0 interface.
    B. DS-1 is the root bridge for VLAN 10.
    C. BPDUs fromthe root bridge for VLAN 20 have been received on the ge-0/0/7.0 interface.
    D. Default VSTP bridge priority values are configured.

  • Question 27:

    You are asked to troubleshoot voice quality issues on your newly implement VoIP network. You notice that the voice packets are being dropped. You haveverified that the packets are correctly marked for expedited forwarding queue.

    Referring to the exhibit, what must you configure to solve the problem?

    A. You must configure a multifield classifier to put the VoIP traffic in the correctqueue.
    B. You must configure a rewrite rule to ensure that the traffic is scheduled properly in the device.
    C. You must configure a scheduler to allocate bandwidth to the expedited forwarding queue.
    D. You must configure a policer to ensure that the queueis not being starved.

  • Question 28:

    You must provide network connectivity to hosts that fail authentication.

    In this scenario, what would be used in a network secured with 802.1X to satisfy this requirement?

    A. Configure the native-vlan-id parameter on the port.
    B. Use the server-reject-vlan command to specify a guest VLAN.
    C. Configure a secondary IP address on the port for unauthenticated hosts.
    D. Configure the port as a spanning tree edge port.

  • Question 29:

    Which statement is correct about IS-IS?

    A. IS-IS uses areas and an autonomous system.
    B. Level 1/2 routers automatically inject a default route to the nearest Level 1 router.
    C. Level 2 routers must share the same area address.
    D. Level 1 routers route traffic between autonomous systems.

  • Question 30:

    Referring to the exhibit, which LSA type is used toadvertise 192.168.1.0/24 to R5?

    A. Type 5
    B. Type 4
    C. Type 3
    D. Type 7

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