JN0-102 Exam Details

  • Exam Code
    :JN0-102
  • Exam Name
    :Internet Associate, Junos(JNCIA-Junos)
  • Certification
    :Juniper Certifications
  • Vendor
    :Juniper
  • Total Questions
    :419 Q&As
  • Last Updated
    :Jul 08, 2026

Juniper JN0-102 Online Questions & Answers

  • Question 391:

    What is the default protocol preference for OSPF external routes?

    A. 10
    B. 15
    C. 150
    D. 160

  • Question 392:

    What are three types of routing instances? (Choose three.)

    A. VPN
    B. virtual-router
    C. policy
    D. VRF
    E. forwarding

  • Question 393:

    Which two external authentication methods are supported by the Junos OS for user authentication? (Choose two.)

    A. RADIUS
    B. KERBEROS
    C. IPsec
    D. TACACS+

  • Question 394:

    -- Exhibit -[edit interfaces ge-0/0/1]

    user@router# show

    unit 100 {

    vlan-id 100;

    family inet {

    address 10.1.1.1 /24;

    }

    }

    [edit interfaces ge-0/0/1]

    user@router# commit check

    [edit interfaces ge-0/0/1]

    'unit 100'

    Only unit 0 is valid for this encapsulation

    error: configuration check-out failed

    -- Exhibit -Referring to the exhibit, you are unable to commit the configuration for the ge-0/0/1 interface.

    What must you do to commit the configuration?

    A. You must set the encapsulation vlan-ccc parameter under the [edit interfaces ge-0/0/1 unit 100] hierarchy.
    B. You must set the vlan-tagging parameter under the [edit interfaces ge-0/0/1] hierarchy.
    C. You must use the rename command to change unit 100 to unit 0.
    D. You must set the encapsulation flexible-ethernet-services parameter under the [edit interfaces ge-0/0/1] hierarchy.

  • Question 395:

    -- Exhibit -[edit firewall family inet filter COS-CLASSIFIER]

    user@router# show

    term MANAGER {

    from {

    source-address {

    192.168.200.0/25;

    }

    destination-address {

    100.100.100.1/32;

    }

    }

    then {

    forwarding-class expedited-forwarding;

    accept;

    }

    }

    term ALL-OTHER-TRAFFIC {

    then accept;

    }

    [edit interfaces ge-0/0/1]

    user@router# show

    unit 0 {

    familyinet {

    filter {

    input COS-CLASSIFIER;

    }

    address 192.168.200.1/24;

    }

    }

    -- Exhibit -Referring to the exhibit, which type of classifier is being used in this CoS configuration?

    A. behavior aggregate
    B. policer
    C. multifield
    D. forwarding policy

  • Question 396:

    Which two statements describe the forwarding table in the Junos OS? (Choose two.)

    A. The forwarding table contains all known routes.
    B. The forwarding table stores a subset of information from the routing table.
    C. Junos devices use the forwarding table to compare incoming packets against existing entries to determine the next hop.
    D. If multiple matches exist, the forwarding table uses the least-specific entry to forward packets toward the destination.

  • Question 397:

    In dotted decimal notation, what is the equivalent of 11010101 01000010 01111111 11000010?

    A. 213.66.127.194
    B. 214.66.128.195
    C. 212.64.143.194
    D. 213.66.111.194

  • Question 398:

    The IP address 192.168.100.1 belongs to which class of IP address space?

    A. Class A
    B. Class B
    C. Class C
    D. Class D

  • Question 399:

    Which three functions are available under the "Maintain" tab of J-Web? (Choose three.)

    A. download and delete log files
    B. view real-time statistics of interfaces
    C. reboot the system
    D. view and add licenses
    E. edit security settings

  • Question 400:

    What are three benefits of class of service? (Choose three.)

    A. It can make a slow network faster.
    B. It can prioritize latency-sensitive traffic.
    C. It can eliminate congestion.
    D. It can control congestion.
    E. It can allocate bandwidth for different classes of traffic.

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