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Juniper Networks Certified Internet Specialist (JNCIS-ENT)

Exam Details

  • Exam Code
    :JN0-343
  • Exam Name
    :Juniper Networks Certified Internet Specialist (JNCIS-ENT)
  • Certification
    :Juniper Certifications
  • Vendor
    :Juniper
  • Total Questions
    :563 Q&As
  • Last Updated
    :Jun 04, 2025

Juniper Juniper Certifications JN0-343 Questions & Answers

  • Question 481:

    Which OSPF area type can contain Type 7 LSAs?

    A. backbone

    B. not-so-stubby

    C. stub

    D. totally stubby

  • Question 482:

    Which routing-instance type allows the sharing of interface routes and the support features used in source-based routing?

    A. virtual-router

    B. vrf

    C. forwarding

    D. multi-instance

  • Question 483:

    When does a root-protected port transition back to the forwarding state?

    A. It does not transition back.

    B. It transitions after 20 seconds.

    C. It transitions when cleared by the operator.

    D. It transitions when superior BPDUs are no longer received.

  • Question 484:

    Which Junos operational mode command displays all BGP routes sent to the 172.16.1.1 peer?

    A. show route sent-routes bgp 172.16.1.1

    B. show route send-protocol bgp 172.16.1.1

    C. show route advertised-routes bgp 172.16.1.1

    D. show route advertising-protocol bgp 172.16.1.1

  • Question 485:

    Which statement describes IS-IS operation?

    A. Routes in a Level 2 area are advertised into Level 1 areas by default.

    B. To advertise Level 2 routes into a Level 1 area, an export policy must be configured.

    C. Level 1 routes are not advertised into Level 2 by default.

    D. The Level 2 router advertises a default route into Level 1.

  • Question 486:

    Which Junos command correctly configures the ge-0/0/0.0 interface to operate only for IS- IS Level 2?

    A. set interfaces ge-0/0/0.0 family iso level 2 enable

    B. set interfaces ge-0/0/0.0 family iso level 1 disable

    C. set protocols isis interface ge-0/0/0.0 level 2 enable

    D. set protocols isis interface ge-0/0/0.0 level 1 disable

  • Question 487:

    What are three states for RSTP? (Choose three.)

    A. discarding

    B. blocking

    C. listening

    D. learning

    E. forwarding

  • Question 488:

    What is the primary purpose of the LLDP-MED?

    A. It learns the MAC address of the peer device.

    B. It communicates the provisioned VLAN ID to the peer device.

    C. It eliminates the need for a spanning tree.

    D. It authenticates the peer device.

  • Question 489:

    Which communication protocol does IS-IS use?

    A. CLNP

    B. LACP

    C. STP

    D. L2TP

  • Question 490:

    By default, how is the best IGP path determined when there are multiple equal-cost paths to a destination?

    A. first one learned

    B. most recent one learned

    C. random choice

    D. highest next-hop IP address

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