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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 501:

    What does the OSPF LSA Type 3 summarize?

    A. the interfaces and neighbors of routers

    B. the router IDs of routers from other areas

    C. an Ethernet segment

    D. topology information from other areas

  • Question 502:

    How much overhead does the GRE header add to an IPv4 packet?

    A. 24 bytes

    B. 32 bytes

    C. 48 bytes

    D. 64 bytes

  • Question 503:

    Which side of the OSPF router initiates the database description exchange?

    A. the side with the higher IP address

    B. the side with the higher router ID

    C. the side with the higher priority

    D. the side with the higher uptime

  • Question 504:

    Which two LSA types are only generated by area border routers? (Choose two.)

    A. Type 2

    B. Type 3

    C. Type 4

    D. Type 5

  • Question 505:

    Which operational command can verify load balancing?

    A. show route details

    B. show route table inet.0 extensive

    C. show route forwarding-table family inet

    D. show configuration forwarding-options

  • Question 506:

    Which virtual interface is used to configure a GRE tunnel?

    A. gre-0/0/0

    B. ip-0/0/0

    C. vt-0/0/0

    D. gr-0/0/0

  • Question 507:

    Which OSPF LSA type is sent by all routers in an area to advertise its connected subnets?

    A. router

    B. network

    C. external

    D. summary

  • Question 508:

    Which Junos operational command displays all operational IS-IS neighbors?

    A. show isis interface

    B. show isis database

    C. show isis neighbors

    D. show isis adjacency

  • Question 509:

    Given the attached exhibit, what will happen to traffic sourced from 192.168.1.100 and destined to 172.16.1.69/32?

    A. It will use the default route.

    B. It will be routed to 10.17.0.1.

    C. It will be routed to 10.32.0.1.

    D. It will be dropped.

  • Question 510:

    When loop protection is enabled on an interface, what happens when the port stops receiving BPDUs?

    A. The port is placed in a loop-inconsistent role.

    B. The port is placed into listening mode.

    C. The port is transitioned into a forwarding state.

    D. The interface is disabled.

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