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Enterprise Routing and Switching, Specialist (JNCIS-ENT)

This track enables you to demonstrate competence with networking technology in general and Juniper Networks enterprise routing and switching platforms. JNCIS-ENT, the specialist-level certification in this track, is designed for experienced networking professionals with beginner to intermediate knowledge of routing and switching implementations in Junos. The written exam verifies your basic understanding of routing and switching technologies and related platform configuration and troubleshooting skills.

This track includes four certifications:

JNCIA-Junos: Junos, Associate. (JN0-104)
JNCIS-ENT: Enterprise Routing and Switching, Specialist. 
JNCIP-ENT: Enterprise Routing and Switching, Professional. (JN0-648)
JNCIE-ENT: Enterprise Routing and Switching, Expert. 

Exam Details

• Exam Code: JN0-349
• Prerequisite Certification: JNCIA-Junos
• Delivered by: Pearson VUE
• Exam Length: 90 minutes
• Exam Type: Written exam, plus 65 multiple-choice questions
• Software Versions: Junos 21.1

Exam Objectives

Layer 2 Switching or VLANs

• Identify the concepts, operation, or functionality of Layer 2 switching for the Junos OS
• Describe the concepts, benefits, or functionality of VLANs
• Demonstrate knowledge how to configure, monitor or troubleshoot Layer 2 switching or VLANs

Spanning Tree

• Describe the concepts, benefits, operation, or functionality of the Spanning Tree Protocol
• Demonstrate knowledge how to configure, monitor, or troubleshoot Spanning Tree

Layer 2 Security

• Identify the concepts, benefits or operation of various Layer 2 protection or security features
• Identify the concepts, benefits or operation of Layer 2 firewall filters
• Demonstrate knowledge how to configure, monitor, or troubleshoot Layer 2 security

Protocol Independent Routing

• Identify the concepts, operation or functionality of various protocol-independent routing components
• Demonstrate knowledge how to configure, monitor, or troubleshoot various protocol-independent routing components

OSPF

• Describe the concepts, operation or functionality of OSPF
• Demonstrate knowledge how to configure, monitor or troubleshoot OSPF

IS-IS

• Describe the concepts, operation or functionality of IS-IS
• Demonstrate knowledge of how to configure, monitor or troubleshoot IS-IS

BGP

• Describe the concepts, operation or functionality of BGP
• Demonstrate knowledge of how to configure, monitor, or troubleshoot BGP

Tunnels

• Identify the concepts, requirements or functionality of IP tunneling
• Demonstrate knowledge of how to configure, monitor or troubleshoot IP tunnels

High Availability

• Identify the concepts, benefits, applications or requirements for high availability in a Junos OS environment
• Demonstrate knowledge of how to configure, monitor, or troubleshoot high availability components