Service Provider Design, Specialist (JNCDS-SP)

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

This track includes four certifications:

  • JNCDA: Design, Associate. For details, see JNCDA.
  • JNCDS-DC: Data Center Design, Specialist. For details, see JNCDS-DC.
  • JNCDS-SP: Service Provider Design, Specialist. For details, see the sections below.
  • 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.

Exam Resources

Additional Preparation

Exam Objectives

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

Exam Objective


WAN Connectivity 

Describe the various methods of WAN connectivity

  • Public/private/managed
  • Service provider connectivity
  • Service provider hand-off methods
  • Service provider MPLS services
  • Enterprise Internet transport
  • Enterprise Layer 2/Layer 3 handoff services
  • Enterprise private connections

Network Availability and Traffic Prioritization

Describe network availability concepts

  • Calculating availability
  • Physical redundancy
  • Logical redundancy
  • Fate sharing (for example, high availability)
  • Capacity planning


Describe class of service concepts

  • Diffserv
  • CoS processing

Service Provider Core WAN Design

Describe the design considerations of a service provider's core WAN

  • Network segmentation
  • IGP design
  • BGP design
  • MPLS design

Service Provider Edge WAN Design

Describe the design considerations of a service provider's edge WAN

  • Layer 2 Services
  • Layer 3 services
  • Metro Ethernet
  • Subscriber services
  • Multicast services

Enterprise WAN

Describe the design considerations of an Enterprise WAN

  • Private WANs
  • Large enterprise WAN design
  • SME WAN design

Data Center WAN

Describe the design considerations of a data center WAN

  • Gateway and fabric connectivity
  • L2 WAN extensions
  • EVPN

WAN Security

Describe the design considerations for security in the WAN

  • Platform security
  • BGP Flowspec
  • MACsec
  • IPsec
  • Subscriber access security

WAN Management

Describe the design considerations for WAN management

  • OoB management design
  • Junos Space management platform
  • Best practices

SDN in the WAN

Describe the design considerations of SDN in the WAN

  • SDN in the WAN
  • Paragon Pathfinder
  • Paragon Planner

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


Prerequisite Certification

Delivered by

Exam Length

90 minutes

Exam Type

Written exam, plus 65 multiple-choice questions


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