JN0-335

Security, Specialist (JNCIS-SEC)
JNCIS-SEC
Updated   September 11,2026
Q&A  103
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Related certification: JNCIS-SEC
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JN0-335 exam is one required test for Juniper Security certification track, and it is the specialist-level in the track. Juniper JNCIS-SEC certification is designed to validate the knowledge and skills of professionals in the field of security solutions using Juniper Networks products and technologies. Successful completion of the JN0-335 exam demonstrates proficiency in deploying, configuring, managing, and troubleshooting security solutions using Juniper Networks devices and platforms.

Juniper JNCIS-SEC JN0-335 Exam Overview

 Number of questions  65 multiple-choice questions
 Duration  90 minutes
 Test Center  Pearson VUE
 Language  English

Note: Pass or fail result will be available after finishing the Juniper JN0-335 exam.

Juniper JN0-335 Exam Objectives

The JN0-335 exam focuses on a wide range of topics related to Juniper Networks security products and technologies. 

Junos Security Platforms and Architecture: This section covers the fundamentals of Junos security platforms, including hardware and software components, architecture, and deployment options.

Security Zones: This topic explores the concepts of security zones, zone-based policy enforcement, and how to configure and troubleshoot security zones on Juniper devices.

Security Policies: It covers the configuration and management of security policies, including policy components, policy matching and evaluation, and advanced policy options.

Network Address Translation (NAT): This section delves into NAT concepts, types, and configuration on Juniper devices, as well as NAT troubleshooting and monitoring.

IPsec VPNs: It focuses on the configuration, verification, and troubleshooting of IPsec VPNs using Juniper Networks devices, including site-to-site VPNs and remote access VPNs.

Unified Threat Management (UTM): This topic explores the features and functionality of Juniper's UTM solution, including antivirus, antispam, content filtering, and web filtering, along with their configuration and troubleshooting.

Intrusion Detection and Prevention (IDP): It covers the configuration, management, and troubleshooting of Juniper IDP systems, including policy creation, attack objects, and logging and reporting.

Security Intelligence: This section focuses on security intelligence tools and technologies, such as Sky ATP (Advanced Threat Prevention) and Juniper Secure Analytics, including their features, configuration, and usage.

High Availability (HA): It explores the concepts and configuration of high availability mechanisms, such as redundancy groups, graceful Routing Engine switchover (GRES), and nonstop active routing (NSR), for ensuring network resilience and uptime.

Security Threats and Attacks: This topic covers common security threats and attacks, including reconnaissance, denial of service (DoS), distributed denial of service (DDoS), and botnets, as well as mitigation techniques and Juniper's security solutions.

Juniper JN0-335 Exam Preparation Tips

Preparing for the JN0-335 exam requires a systematic approach to ensure thorough understanding of the exam topics and adequate practice. 

1.Review the Exam Objectives: Start by reviewing the official JN0-335 exam objectives provided by Juniper Networks. Use it as a guide to structure your study plan.

2.Study Official Documentation: Juniper Networks offers comprehensive documentation, including technical guides, configuration guides, and command references, for their security products and technologies. Study these resources to gain in-depth knowledge of the concepts and configurations.

3.Hands-on Practice: Setting up a lab environment using Juniper devices and software, such as Junos OS, is crucial for hands-on practice. Familiarize yourself with the command-line interface (CLI) and practice configuring security policies, VPNs, NAT, IDP, and other relevant features. Work through various scenarios to reinforce your understanding.

4.Practice online preparation material: Juniper JN0-335 exam preparation material from CertQueen are valuable tools for assessing your knowledge and identifying areas that require further study. This will help you become familiar with the question types and improve your time management skills.

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