New Juniper JN0-352 Exam Will Be Available Soon - JN0-351 Will Retire on June 7, 2026

Networking professionals preparing for the Juniper Enterprise Routing and Switching certification track should pay close attention to the upcoming transition from the JN0-351 exam to the new JN0-352 exam. Juniper continues to update its certification program to align with the latest Junos OS technologies and modern enterprise networking requirements. According to recent certification updates, the JN0-352 exam is becoming the latest requirement for earning the JNCIS-ENT certification, while JN0-351 is scheduled to retire on June 7, 2026.

The new JN0-352 exam validates your understanding of routing and switching technologies along with your ability to configure and troubleshoot Junos-based enterprise networks. It is designed for networking professionals who already possess foundational Junos knowledge and want to advance toward specialist-level certification.

JN0-352 Exam Overview

The JN0-352 written exam verifies your basic understanding of routing and switching technologies and related platform configuration and troubleshooting skills. Candidates preparing for this certification should be comfortable working with enterprise networking concepts and Junos OS operations.

JN0-352 Exam Details

●Number of Questions: 65 multiple-choice questions

●Exam Duration: 90 minutes

●Available Language: English

●Software Version: Junos 23.1

Important Retirement Notice for JN0-351 Exam

Juniper certification exams are regularly updated to reflect newer technologies and industry requirements. As part of this process, the JN0-351 exam will officially retire on June 7, 2026. Candidates who still plan to take JN0-351 should schedule their exams before the retirement deadline. After that date, JN0-352 will become the primary exam for the JNCIS-ENT certification path.

For candidates beginning their preparation now, focusing directly on JN0-352 is the smarter long-term strategy because it aligns with the newest Junos OS topics and current enterprise networking environments.

JN0-352 Exam Topics Covered

The Juniper JN0-352 exam covers a broad range of enterprise routing and switching technologies. Candidates should prepare for the following areas:

Layer 2 Switching and VLANs

You must understand Layer 2 switching concepts, VLAN operations, trunking, and switching configuration within Junos OS environments.

Spanning Tree

Candidates should know how STP prevents switching loops and how to configure and troubleshoot spanning tree protocols.

Layer 2 Security

This section includes security features designed to protect switching environments, such as MAC limiting and DHCP snooping concepts.

Protocol Independent Routing

You should understand routing fundamentals and route selection processes independent of specific routing protocols.

OSPF

Knowledge of OSPF configuration, neighbor relationships, LSAs, and troubleshooting is essential.

IS-IS

Candidates need to understand IS-IS operations, adjacency formation, and enterprise deployment concepts.

BGP

BGP remains one of the most important routing technologies in enterprise and service provider networks. Expect questions related to peering, attributes, and route selection.

Tunnels

The exam also validates your understanding of tunneling technologies and their implementation within Junos environments.

High Availability

High availability features help ensure network reliability and uptime. Candidates should understand redundancy and failover technologies used in enterprise networks.

Why the JN0-352 Certification Matters

Earning the JNCIS-ENT certification demonstrates that you possess intermediate-level Juniper networking skills. This credential can help network engineers, administrators, and support professionals validate their expertise in enterprise routing and switching technologies.

The certification is especially valuable for professionals working with:

●Enterprise network infrastructure

●Junos-based routing and switching devices

●Network troubleshooting and operations

●Data center and campus networking environments

As organizations continue adopting Juniper solutions, certified professionals can gain stronger career opportunities and industry recognition.

Preparation Tips for JN0-352 Exam

To improve your chances of passing the JN0-352 exam, consider the following preparation strategies:

Study the Official Exam Objectives

Review all exam domains carefully and identify areas where you need additional practice.

Practice with Junos OS

Hands-on lab experience is critical. Configure VLANs, routing protocols, BGP sessions, and Layer 2 security features in a lab environment.

Focus on Troubleshooting

Many exam questions test practical problem-solving skills rather than simple memorization.

Use Practice Questions

Practice exams can help you become familiar with question formats, time management, and important exam topics.

Build Real Networking Knowledge

Understanding how technologies operate in real enterprise environments will help you answer scenario-based questions more effectively.

The transition from JN0-351 to JN0-352 represents another important update in Juniper‘s certification program. With JN0-351 retiring on June 7, 2026, candidates should begin preparing for the latest JN0-352 exam as early as possible.

The new exam continues to emphasize essential enterprise networking skills including Layer 2 switching, OSPF, IS-IS, BGP, tunneling, and high availability technologies. By earning the JNCIS-ENT certification, networking professionals can demonstrate strong Junos expertise and improve their career opportunities in enterprise networking.

Candidates who start preparing now will have an advantage when the new JN0-352 exam becomes the standard certification path for JNCIS-ENT professionals.