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Exam Information
Official specifications published by Juniper
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JN0-351 Exam Topics and Domains
JN0-351 is organized into 9 weighted domains. Expect to work with Aggregate routing, BFD, BGP attributes, BGP messages, and more.
Layer 2 Switching and VLANs
Layer 2 Switching Concepts
Identify the concepts, operations, or functionalities of Layer 2 switching for the Junos OS
VLAN Concepts and Configuration
- Describe the concepts, benefits, or functionalities of VLANs
- Demonstrate knowledge how to configure, monitor, or troubleshoot Layer 2 switching or VLANs
Spanning Tree Protocol
STP Concepts and Operations
- Describe the concepts, benefits, operations, or functionalities of the Spanning Tree Protocol (STP)
- Demonstrate knowledge how to configure, monitor, or troubleshoot Spanning Tree
Layer 2 Security
Layer 2 Protection Features
- Identify the concepts, benefits, or operations of various Layer 2 protection or security features
- Demonstrate knowledge how to configure, monitor, or troubleshoot Layer 2 security
Layer 2 Firewall Filters
- Identify the concepts, benefits, or operations of Layer 2 firewall filters
- Demonstrate knowledge how to configure, monitor, or troubleshoot Layer 2 security firewall filters
Protocol Independent Routing
Static and Generated Routes
- Identify the concepts, operations, or functionalities of various protocol-independent routing components
- Demonstrate knowledge how to configure, monitor, or troubleshoot static, aggregate, and generated routes
Advanced Routing Concepts
Demonstrate knowledge how to configure, monitor, or troubleshoot load balancing and filter-based forwarding
OSPF
OSPF Fundamentals
- Describe the concepts, operations, or functionalities of OSPF
- Demonstrate knowledge how to configure, monitor, or troubleshoot OSPF
IS-IS
IS-IS Fundamentals
- Describe the concepts, operations, or functionalities of IS-IS
- Demonstrate knowledge of how to configure, monitor, or troubleshoot IS-IS
BGP
BGP Fundamentals
- Describe the concepts, operations, or functionalities of BGP
- Demonstrate knowledge of how to configure, monitor, or troubleshoot BGP
IP Tunnels
IP Tunneling Concepts
- Identify the concepts, requirements, or functionalities of IP tunneling
- Demonstrate knowledge of how to configure, monitor, or troubleshoot IP tunnels
High Availability
High Availability Features
- 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
How do I earn this certification?
Passing JN0-351 earns the JNCIS-ENT certification. It sits in the Enterprise Routing and Switching track.
- JN0-648 - Enterprise Routing and Switching, Professional (JNCIP-ENT)
- JPR-983 - Enterprise Routing and Switching, Expert (JNCIE-ENT)
- JN0-281 - Data Center, Associate (JNCIA-DC)Complementary data center networking skills
- JN0-231 - Security, Associate (JNCIA-SEC) Network security fundamentals
- JN0-223 - Automation and DevOps, Associate (JNCIA-DevOps)Network automation and programmability skills
- JN0-451 - Mist AI, Specialist (JNCIS-MistAI) AI-driven network operations
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
The most effective way to prepare for JN0-351 is by using the PlanetCert Simulator to practice questions and review detailed explanations.
Who should take this exam?
This exam is typically taken by Network professionals with beginner to intermediate knowledge of routing and switching and Juniper Networks customers, partners, and employees.
- Experience with Junos OS
- Understanding of networking fundamentals
- Familiarity with enterprise routing and switching