Enterprise Routing and Switching, Expert (JNCIE-ENT)

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The Enterprise Routing and Switching track enables you to demonstrate competence with networking technology in general and Juniper Networks enterprise routing and switching platforms. JNCIE-ENT is at the pinnacle of the enterprise routing and switching certification track. The practical exam is designed to validate your ability to deploy, configure, manage and troubleshoot Junos-based enterprise routing and switching platforms.

Throughout the 6-hour exam, you will build an enterprise network infrastructure consisting of multiple routers and switching devices. You will perform system configuration on all devices and configure protocols and features, such as IGPs, BGP, EVPN, Layer 2 features, routing policies, and class of service.

This track includes four certifications:

  • JNCIA-Junos: Junos, Associate. For details, see JNCIA-Junos.
  • JNCIS-ENT: Enterprise Routing and Switching, Specialist. For details, see JNCIS-ENT.
  • JNCIP-ENT: Enterprise Routing and Switching, Professional. For details, see JNCIP-ENT.
  • JNCIE-ENT: Enterprise Routing and Switching, Expert. For details, see the sections below.

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 Objectives

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

Exam Objective

Description

Automation

On-box and off-box scripts

  • Commit, OP, and event scripts
  • PyEZ scripts

 

Junos Space

  • Importing devices into Network Manager
  • Configuration Management

Class of Service

CoS configuration and troubleshoot

  • Multiple queues
  • BA classifier
  • Multifield classifier
  • Rewrite rules
  • Policers

EVPN

EVPN configuration and troubleshoot

IGP

OSPFv2, OSPFv3, and IS-IS

  • Authentication
  • Multi-area OSPF
  • NSSA
  • IPv4 routes using OSPFv3

 

Routing policy

BGP

BGP troubleshoot and configuration

  • Multi-ISP routing
  • IBGP route-reflector
  • Resolution of BGP Hidden Routes

 

BGP route-selection process

  • IBGP, LOCAL_PREF, AS-Path, Prepend/MED
  • Protocol preferences
  • BGP communities

 

BGP routing policy

System Setup

Device-level security

  • Securing local control plane

 

Interfaces

  • AE interface
  • LACP
  • VRRP

 

System-level configurations

  • SNMP
  • System logging
  • User account
  • DHCP services
  • NTP

Layer 2 Switching and Security

Virtual Chassis

 

VLAN

  • IRB interfaces
  • Private VLAN
  • 802.1Q tunneling
  • Native VLAN

 

Spanning tree protocols

  • Root bridges, root ports, designated ports
  • Various guards for Spanning Tree

 

POE and telephony functions

  • VoIP VLAN assignments, VoIP class of service
  • POE and LLDP-MED

 

Layer 2 security

  • DAI, DHCP snooping, storm control
  • Layer 2 interface security features

Protocal Indepent Routing

Protocol independent routing policy

  • Aggregate, generate, qualified next hops, and static routes

 

Filter-based forwarding

 

GRE tunnels

Exam Details

Exam questions are derived from the recommended training and the exam resources listed above. The exam is only provided in English.

JPR-944

Hands-on lab exam

  • vMX Virtual Router: 18.3
  • EX Series Switch: 18.4
  • Junos Space Network Director: 3.5

Recertification

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