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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 491:

    Which two pieces of information are communicated by IS-IS TLVs? (Choose two.)

    A. network protocols supported

    B. designated router priority

    C. authentication key

    D. PDU Length

  • Question 492:

    What is the default behavior of a trunk port when it receives transit traffic without a VLAN tag?

    A. It drops the traffic.

    B. It forwards the traffic.

    C. It tags the transit traffic with lowest VLAN ID permitted on the trunk.

    D. It tags the transit traffic with highest VLAN ID permitted on the trunk.

  • Question 493:

    Which two commands can be used to show the content of a bridge table? (Choose two.)

    A. show ethernet-switching table

    B. show route forwarding-table family ethernet-switching

    C. show bridging table

    D. show forwarding table

  • Question 494:

    Which type of protocol is OSPF?

    A. link-state protocol

    B. distance-vector protocol

    C. path-vector protocol

    D. modified distance-vector protocol

  • Question 495:

    What is the minimum configuration necessary to create two VLANs and two operational RVIs?

    A. Option A

    B. Option B

    C. Option C

    D. Option D

  • Question 496:

    Using standard metrics, what is the maximum path cost in IS-IS?

    A. 15

    B. 16

    C. 63

    D. 1023

  • Question 497:

    Which two of the following are contained in an OSPF hello packet? (Choose two.)

    A. hello interval

    B. dead interval

    C. ex-start

    D. link-state update

  • Question 498:

    Which two BGP message types are valid? (Choose two.)

    A. refresh

    B. acknowledge

    C. keepalive

    D. withdraw

  • Question 499:

    Which of the following can be used for both security and loop prevention?

    A. firewall filters

    B. DHCP snooping

    C. dynamic ARP inspection

    D. MAC move limiting

  • Question 500:

    Which command correctly assigns AS 65432 as the local router's autonomous system?

    A. set protocols bgp local-as 65432

    B. set routing-options local-as 65432

    C. set protocols bgp autonomous-system 65432

    D. set routing-options autonomous-system 65432

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