The JN0-352 Enterprise Routing and Switching, Specialist (JNCIS-ENT) exam is the updated Juniper specialist-level certification exam, replacing the retired JN0-351 JNCIS-ENT exam, which officially retired on June 7, 2026. Candidates pursuing the JNCIS-ENT certification should now focus their preparation on the updated JN0-352 exam objectives and Junos 23.1 technologies. To help candidates prepare efficiently, the most valid JN0-352 Prep Guide with Practice Test Questions from PassQuestion provides comprehensive coverage of the latest exam topics, realistic exam scenarios, and hands-on configuration concepts. These updated practice questions help reinforce routing and switching knowledge, improve troubleshooting skills, and build confidence for exam success.

Build Your Juniper Enterprise Certification Path with the JNCIS-ENT Credential

The Enterprise Routing and Switching, Specialist (JNCIS-ENT) certification validates your ability to work with enterprise routing and switching technologies using the Junos operating system. It is designed for networking professionals who already understand Junos fundamentals and want to prove their ability to configure, monitor, troubleshoot, and maintain enterprise networks.

The JNCIS-ENT credential is part of Juniper's Enterprise Routing and Switching track, which progresses from associate to expert level:

• JNCIA-Junos – Associate-level foundation for Junos networking
• JNCIS-ENT – Specialist-level enterprise routing and switching skills
• JNCIP-ENT – Professional-level enterprise network implementation
• JNCIE-ENT – Expert-level design, deployment, and troubleshooting capability

Earning JNCIS-ENT shows that you have moved beyond basic Junos knowledge and can handle intermediate enterprise networking tasks in real-world environments.

Who Should Take the JN0-352 Exam?

The JN0-352 exam is intended for network professionals who work with Juniper enterprise networks or want to validate their routing and switching knowledge on Junos platforms. It is especially suitable for candidates who support enterprise LAN/WAN environments, configure routing protocols, troubleshoot connectivity issues, and manage switching infrastructure.

Typical candidates include network engineers, network administrators, systems engineers, technical support engineers, enterprise network consultants, and infrastructure specialists. Candidates should have practical experience with Junos devices and enterprise routing and switching concepts before attempting the exam.

Review the JN0-352 Exam Format, Prerequisite

Master the Core JN0-352 Exam Objectives and Junos Enterprise Skills

Layer 2 Switching or VLANs

Understand VLAN creation, interface modes, trunking, tagging, and Layer 2 switching behavior in Junos-based enterprise networks.

Spanning Tree

Learn how STP and related protocols prevent Layer 2 loops, manage redundant links, and maintain stable switching environments.

Layer 2 Security

Review security features used to protect the switching layer, such as MAC limiting, DHCP security, storm control, and access protection.

Protocol Independent Routing

Understand routing tables, static routes, route preferences, route selection, and basic policy behavior in Junos.

OSPF

Study OSPF neighbor formation, areas, LSAs, route calculation, configuration, and troubleshooting in enterprise routing environments.

IS-IS

Learn IS-IS adjacency formation, levels, metrics, route exchange, and how IS-IS is used in scalable enterprise networks.

BGP

Understand BGP neighbor relationships, route advertisement, path selection, routing policies, and common troubleshooting methods.

Tunnels

Review tunnel concepts, encapsulation methods, and how tunnels support enterprise connectivity and overlay network designs.

High Availability

Learn redundancy, failover, routing resiliency, and design practices that help maintain reliable enterprise network operations.

Best Preparation Strategies for the JN0-352 Exam

1. Review the Updated JN0-352 Exam Objectives

Since JN0-352 replaces the retired JN0-351 exam, make sure you study the latest blueprint and Junos 23.1 features.

2. Gain Hands-On Junos Experience

Practical experience is essential. Practice configuring VLANs, routing protocols, security features, tunnels, and high availability mechanisms on Junos devices or virtual labs.

3. Use Updated JN0-352 Practice Questions from PassQuestion

The latest JN0-352 Practice Test Questions from PassQuestion help candidates become familiar with exam-style questions and reinforce key networking concepts.

4. Focus on Routing Protocols and Troubleshooting

OSPF, IS-IS, and BGP are critical exam topics. Spend additional time learning protocol operations, route selection, policy behavior, and troubleshooting techniques.

5. Identify Weak Areas Through Practice Testing

Review practice exam results carefully and revisit topics that need improvement before scheduling the exam.

Advance Your Juniper Networking Career with the JN0-352 JNCIS-ENT Certification

The JN0-352 Enterprise Routing and Switching, Specialist (JNCIS-ENT) certification demonstrates your ability to configure, manage, and troubleshoot enterprise routing and switching environments using Junos. As the replacement for the retired JN0-351 exam, JN0-352 reflects modern enterprise networking technologies and validates skills that employers highly value.

By combining hands-on Junos experience, focused study of the latest exam objectives, and the most valid JN0-352 Prep Guide with Practice Test Questions from PassQuestion, candidates can prepare effectively and confidently pursue their JNCIS-ENT certification goals.