Exam Details
Exam questions are derived from the recommended training and the exam resources listed above. Pass/fail status is available immediately after taking the exam. The exam is only provided in English.

Exam Code JN0-1302
Prerequisite Certification JNCDA
Delivered by Pearson VUE
Exam Length 90 minutes
Exam Type Written exam, plus 65 multiple-choice questions

Recertification
Juniper certifications are valid for three years. For more information, see Recertification.

The Design track enables you to demonstrate competence with Juniper Networks design principles and associated technologies. JNCDS-DC, one of the specialist-level certifications in this track, is designed for networking professionals and designers with intermediate knowledge of data center network design, theory, and best practices. The written exam verifies your understanding of data center network design principles.

This track includes four certifications:
JNCDA: Design, Associate. For details, see JNCDA.
JNCDS-DC: Data Center Design, Specialist. For details, see the sections below.
JNCDS-SP: Service Provider Design, Specialist. For details, see JNCDS-SP.
JNCDS-SEC: Security Design, Specialist. For details, see JNCDS-SEC.

Exam Preparation
We recommend the following resources to help you prepare for your exam. However, these resources aren’t required, and using them doesn’t guarantee you’ll pass the exam.

Recommended Training
Juniper Networks Design – Data Center (JND-DC)

Exam Resources
Industry Knowledge
Juniper Networks Technical Publications

Additional Preparation
Juniper Learning Portal

Exam Objectives
Here’s a high-level view of the skillset required to successfully complete the JNCDS-DC certification exam.

Exam Objective

Description

Data Center Design Considerations

Describe the concepts of data center design
Physical considerations including placement, cabling, power, heating, and cooling
Access switch placement
Traditional multi-tiered design
Management
Automation
Data center monitoring
Virtual Chassis
Data center support and serviceability

IP Fabric Architecture

Describe the design considerations of a data center IP fabric
Layer 3 underlay networking
Layer 3 overlay networking
Layer 3 control plane options

Data Center Interconnect
Describe the design considerations for interconnecting data centers
MPLS
Layer 3 VPNs
EVPN
VXLAN

Data Center Security

Describe the design considerations for securing the data center
Micro-perimeterization
Micro-segmentation
Virtual routers
Firewalls
Security automation
Device sprawl
Data classification
Zero trust security
Risk management

Virtualization in the Data Center
Describe the design considerations for virtualization in the data center

NFV/containers
ETSI standards
Virtualization security
SDN

Traffic Prioritization in the Data Center
Describe the design considerations for traffic prioritization in the data center
QoS
CoS
DCB

High Availability in the Data Center
Describe the design considerations for high availability in the data center

Business continuity
Device-level high availability features
Intra-DC high availability
Inter-DC high availability

QUESTION 1
You have a highly latency-sensitive application that is mission critical to your company’s operation. In this scenario, what will enable you to identify issues within three second accuracy?

A. JTI
B. RMON1
C. LDAP
D. RMON2

Correct Answer: A

QUESTION 2
You are asked to design security policies based on team membership.
Which access control methodology should you use in this scenario?

A. non-discretionary access control
B. role-based access control
C. mandatory access control
D. discretionary access control

Correct Answer: B

QUESTION 3
Which two scripting languages are supported for creating on-box scripts? (Choose two.)

A. Python
B. Chef
C. SLAX
D. Ansible

Correct Answer: AC

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