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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 511:

    Which configuration disables a port when more than 30,000 Kbps of broadcast traffic is received over an aggregated Ethernet interface with two member links?

    A. Option A

    B. Option B

    C. Option C

    D. Option D

  • Question 512:

    Which OSPF LSA type has a domain flooding scope?

    A. router

    B. network

    C. external

    D. summary

  • Question 513:

    A new switch is added to an existing network with three switches already in place. Which attribute must be configured within the spanning-tree protocol to ensure the new switch is the root bridge?

    A. root-id

    B. port-id

    C. bridge priority

    D. system MAC address

  • Question 514:

    In which state is an interface placed if root-protect is enabled and a superior BPDU is received?

    A. root

    B. blocking

    C. forwarding

    D. alternate

  • Question 515:

    Filter-based forwarding requires a match filter, a routing instance, and which of the following?

    A. a route map

    B. a RIB group

    C. a next hop

    D. a policy map

  • Question 516:

    What is the default interval for a VRRP advertisement?

    A. 1 second

    B. 2 seconds

    C. 10 seconds D. 30 seconds

  • Question 517:

    Which statement regarding internal BGP sessions is true?

    A. Routers advertise all BGP-learned routes to all internal BGP neighbors.

    B. The TTL of BGP control packets is set to 255.

    C. Peering sessions only use physical interface IP addresses.

    D. Plain text authentication can be used.

  • Question 518:

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

    A. All level 2 PDUs are flooded to Level 1 by default.

    B. All level 1 PDUs are flooded to Level 2 by default.

    C. Both Level 1 and Level 2 adjacencies can exist on the same interface.

    D. Level 2 external routes are always available in Level 1.

  • Question 519:

    Under which hierarchy do you configure BGP neighbors?

    A. *[edit protocols bgp]*

    B. *[edit interfaces]*

    C. *[edit routing-options]*

    D. *[edit policy-options]*

  • Question 520:

    Which protocol is an EGP?

    A. OSPF

    B. TCP

    C. BGP

    D. STP

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