عراب ال IT 
امتحانات دوليه
JN0-351
Juniper Networks Certified Specialist – Enterprise Routing and Switching (JNCIS-ENT)
About the Certification
JNCIS-ENT is an advanced professional certification from Juniper Networks focused on Enterprise Routing & Switching. It deepens practical expertise in designing, implementing, and operating enterprise networks using Juniper solutions. The certification covers advanced routing and switching technologies, protocols such as OSPF and BGP, routing policies, foundational network security, and structured troubleshooting within Enterprise environments. It is designed for experienced network engineers and represents a key step toward advanced professional roles within the Juniper certification track.
Main Curriculum
The curriculum is divided into seven main sections
- Advanced Configuration and OS Management
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- Configuration groups
- Applying templates and groups
- System management and maintenance
- Network configuration best practices
- Advanced Switching Technologies
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- Advanced VLAN and trunking concepts
- Rapid and Multiple Spanning Tree Protocol (RSTP / MSTP)
- Link aggregation
- Switching troubleshooting
- Enterprise Network Design and Architecture
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- Enterprise network components
- Campus and branch design
- High availability and redundancy
- Design best practices
- Routing Services in Enterprise Networks
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- Integration of static and dynamic routing
- Load balancing and ECMP
- Route redistribution concepts
- High availability in routing
- Network Security Fundamentals in Enterprise Environments
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- Firewall filters
- Security zones (conceptual)
- Traffic filtering and control
- Basic threat mitigation
- Advanced Routing Technologies
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- OSPF (single-area and multi-area)
- BGP fundamentals
- Routing policies and route filtering
- Operations, Monitoring, and Troubleshooting
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- Monitoring via Junos CLI
- Interface and routing diagnostics
- Logs and alerts
- Structured troubleshooting methodology
Exam Details
- Exam code: JN0-351
- Exam duration: 90 minutes
- Number of questions: 65–75 questions
- Question type: Multiple choice
- Language: English
- Passing score: Approximately 60% – 70%
- Exam fee: USD 300–350 (may vary by country and taxes may apply)
- Certification validity: 3 years
Do I need certifications before it ?
No, not required.
However, it is recommended to have solid experience with networking fundamentals, enterprise-level routing and switching, and hands-on familiarity with Junos OS on Juniper devices.
Which certifications are recommended after this one ?
Not mandatory.
However, if you are aiming for a strong path in managing enterprise networks using Juniper devices especially in advanced routing configuration, switching design, and network stability JNCIS-ENT is one of the strongest specialization steps.
What are the main uses of the JNCIS-ENT certification ?
- JNCIP-ENT (Professional Enterprise) To advance to a higher professional level in enterprise networking.
- Advanced Enterprise Routing & Switching To deepen expertise in BGP, OSPF, MPLS, and advanced enterprise features.
- Network Automation & Programmability To automate enterprise networks using Python, Ansible, and Junos APIs.
- SD-WAN & Secure Enterprise Networks To design flexible and secure enterprise infrastructures.
- Cloud & Hybrid Enterprise Networking To integrate enterprise networks with cloud and hybrid solutions.
- Enterprise Network Architect Path To transition into enterprise-level network design roles.
Advanced Enterprise Networking Expertise :
JNCIS-ENT represents an advanced stage in the Enterprise track. It strengthens your routing and switching expertise in real-world enterprise environments and validates your ability to design and operate Juniper-based enterprise networks professionally.
Who is this certification suitable for ?
- Engineers with a strong foundation in routing and switching.
- Network engineers seeking intermediate to advanced enterprise expertise.
- Professionals interested in enterprise networking technologies.
- Networking professionals pursuing a strong specialist-level certification.
- Individuals planning to advance in enterprise networking or integrate with DevOps and cloud infrastructure.