Data Center Design, Specialist (JNCDS-DC)

Here you have the best Juniper JN0-1301 practice exam questions

You have 65 total questions across 13 pages (5 per page)
These questions were last updated on February 9, 2026
This site is not affiliated with or endorsed by Juniper.

Question 1 of 65

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

A.

This deployment scenario is recommended when firewall services are used extensively for north-south traffic.

B.

This deployment scenario is recommended when firewall services are used extensively for east-west traffic.

C.

End-host traffic is serviced through one SRX node during non-failure conditions.

D.

End-host traffic is serviced through both SRX nodes during non-failure conditions.

Suggested Answer: A, C

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Question 2 of 65

Click the Exhibit button.
Referring to the exhibit, what must you change to make the topology a supported Virtual Chassis Fabric design?
Exam JN0-1301: Question 2 - Image 1

Exam JN0-1301: Question 2 - Image 1

A.

Change the Routing Engine to a line card.

B.

Remove one leaf node.

C.

Add a second spine node.

D.

Change one of the line cards to a VCP master instance.

Suggested Answer: C

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Question 3 of 65

You are designing an IP fabric using EVPN with VXLAN and must ensure that all links between the leaf and spine nodes are used as efficiently as possible. Which two design considerations are important to achieve this task? (Choose two.)

A.

Load balancing is automatic in an IP fabric design.

B.

Load balancing must be managed by an SDN controller in an IP fabric design.

C.

The overlay network needs to support load balancing.

D.

The underlay network needs to support load balancing.

Suggested Answer: A, D

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Question 4 of 65

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

Suggested Answer: C

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Question 5 of 65

You are implementing traffic prioritization in your IP fabric. You must ensure that traffic is handled correctly throughput the fabric.
In this scenario, which statement is correct?

A.

You should implement a BA classifier on all egress interfaces on the leaf devices.

B.

Rewrite rules must be applied on the spine devices for all leaf-facing interfaces.

C.

You should implement a BA classifier on all egress interfaces on the spine devices.

D.

Schedulers should be applied to all egress interfaces on your leaf and spine devices.

Suggested Answer: D

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About the Juniper JN0-1301 Certification Exam

About the Exam

The Juniper JN0-1301 (Data Center Design, Specialist (JNCDS-DC)) validates your knowledge and skills. Passing demonstrates proficiency and can boost your career prospects in the field.

How to Prepare

Work through all 65 practice questions across 13 pages. Focus on understanding the reasoning behind each answer rather than memorizing responses to be ready for any variation on the real exam.

Why Practice Exams?

Practice exams help you familiarize yourself with the question format, manage your time, and reduce anxiety on the test day. Our JN0-1301 questions are regularly updated to reflect the latest exam objectives.