JN0-1301 Exam Details

  • Exam Code
    :JN0-1301
  • Exam Name
    :Data Center Design, Specialist (JNCDS-DC)
  • Certification
    :Juniper Certifications
  • Vendor
    :Juniper
  • Total Questions
    :65 Q&As
  • Last Updated
    :Jul 12, 2026

Juniper JN0-1301 Online Questions & Answers

  • Question 1:

    Your data center uses a Virtual Chassis Fabric. The ToR switches have 48 ports and each rack supports 20 servers. Each server has two ports that are configured as a LAG.

    You need to implement link level redundancy but you cannot use two ports on the same device for this redundancy.

    Which type of connection should you use to complete this task?

    A. MC-LAG
    B. RTG
    C. LAG
    D. ESI

  • Question 2:

    You are designing a Control-based SDN overlay network. IP filtering and tenant separation for Layer 3 and Layer 4 traffic is required for this installation. In this scenario, which Contrail component performs this function?

    A. vSwitch
    B. control node
    C. vRouter
    D. compute node

  • Question 3:

    Clos architectures are based on which network topology?

    A. ring
    B. VLANs
    C. hybrid
    D. spine and leaf

  • Question 4:

    What are two components of a class-of-service (CoS) switching configuration? (Choose two.)

    A. forwarding tables
    B. bandwidth
    C. port speed
    D. forwarding class

  • Question 5:

    Which two statements are correct about a VCF deployment? (Choose two.)

    A. You are allowed up to four spine devices.
    B. The fabric is managed as a single logical device.
    C. An EX4300 switch must be deployed as a spine device.
    D. You must deploy a QFX5100 as a leaf device.

  • Question 6:

    What are two Layer 2 traffic tunneling schemes that are supported in a Juniper Networks IP fabric? (Choose two.)

    A. EVPN
    B. MPLSoGRE
    C. GENEVE
    D. VXLAN

  • Question 7:

    Two data centers need to be connected for application and server mobility. An MPLS pseudowire is going to facilitate the necessary connectivity. This pseudowire will extend between which two types of network devices?

    A. PE to CE
    B. PE to P
    C. PE to PE D. CE to CE

  • Question 8:

    Your company is deploying a private cloud based on OpenStack and has selected Contrail Networking as their SDN controller. Which statement is true in this scenario?

    A. All bare-metal servers must run a vSRX instance for overlay tunneling.
    B. All virtualized servers must run a vSRX instance for overlay tunneling
    C. All bare-metal serer must run a vRouter for overlay tunneling
    D. All virtualized servers must run a vRouter for overlay tunneling

  • Question 9:

    When considering data center security, which component is often seen as unimportant but is really the first line of defense?

    A. guest access
    B. native VLAN configuration
    C. RBAC
    D. physical security

  • Question 10:

    You plan to deploy a set of SRX Series devices in an active/passive chassis cluster with an active/passive network infrastructure. Which two statements are true in this scenario? (Choose two.)

    A. End-host traffic is serviced through both SRX nodes during non-failure conditions.
    B. End-host traffic is serviced through one SRX node during non-failure conditions.
    C. In non-failure conditions, the end-host traffic across the fabric link is present.
    D. In non-failure conditions, the end-host traffic across the fabric link is eliminated.

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