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  >   Juniper Training & Certifications   >   JNCIS-Enterprise Routing and Switching Specialist Certification




Enterprise Routing and Switching, Specialist (JNCIS-ENT)







This track enables you to demonstrate competence with networking technology in general and Juniper Networks enterprise routing and switching platforms. JNCIS-ENT, the specialist-level certification in this track, is designed for experienced networking professionals with beginner to intermediate knowledge of routing and switching implementations in Junos. The written exam verifies your basic understanding of routing and switching technologies and related platform configuration and troubleshooting skills.



This track includes four certifications :

Exam Preparation

We recommend the following resources to help you prepare for your exam. However, these resources aren't required, and using them doesn't guarantee you'll pass the exam.



Recommended Training

  • Junos Intermediate Routing
  • Junos Enterprise Switching

Exam Resources

  • Industry/product knowledge
  • Juniper TechLibrary

Additional Preparation

  • Learning Portal


Exam Details

Exam questions are derived from the recommended training and the exam resources listed above. Pass/fail status is available immediately after taking the exam. The exam is only provided in English.



Exam Code

JN0-351


Prerequisite Certification

JNCIA-Junos


Delivered by

Pearson VUE

Exam Length

90 minutes


Exam Type

65 multiple-choice questions


Software Version

  • Junos 23.1



Enterprise Routing and Switching Specialist (JNCIS-ENT)

1. Layer 2 switching for the Junos OS

  • Bridging components
  • Frame processing

  • Ports
  • Tagging
  • Native VLANs and voice VLANs
  • Inter-VLAN routing

  • Interfaces and ports
  • IVLANs
  • IInter-VLAN routing

  • STP and Rapid Spanning Tree Protocol (RSTP) concepts
  • Port roles and states
  • Bridge Protocol Data Units (BPDUs)
  • Convergence and reconvergence

  • STP
  • RSTP

  • BPDU, loop or root protection
  • Port security, including MAC limiting, DHCP snooping, Dynamic ARP inspection (DAI) or IP source guard
  • MACsec
  • Storm control

  • Filter typesi
  • Processing order
  • Match criteria and actions

  • Protection
  • Port security
  • Storm control
  • Firewall filter configuration and application

  • Static, aggregate, and generated routes
  • Martian addresses
  • Routing instances, including routing information base (RIB) groups
  • Load balancing
  • Filter-based forwarding

  • Static, aggregate, and generated routes
  • Load balancing
  • Filter-based forwarding

  • Link-state database
  • OSPF packet types
  • Router ID
  • Adjacencies and neighbors
  • Designated router (DR) and backup designated router (BDR)
  • OSPF area and router types
  • Realms
  • Link-state advertisement (LSA) packet types

  • Areas, interfaces, and neighbors
  • Additional basic options
  • Routing policy application
  • Troubleshooting tools (ping, traceroute, traceoptions, show commands, logging)

  • Link-state database
  • IS-IS Protocol Data Units (PDUs)
  • Type, length, and values (TLVs)
  • Adjacencies and neighbors
  • Levels and areas
  • Designated intermediate system (DIS)
  • Metrics

  • Levels, Interfaces, and Adjacencies
  • Additional Basic Options
  • Routing Policy Application
  • Troubleshooting Tools (ping, traceroute, traceoptions, show commands, logging)

  • BGP basic operation
  • BGP message types
  • Attributes
  • Route/path selection process
  • Internal and external BGP (IBGP and EBGP) functionality and interaction

  • Groups and peers
  • Additional basic options
  • Routing policy application
  • Troubleshooting tools (ping, traceroute, traceoptions, show commands, logging)

  • Tunneling applications and considerations
  • Generic Routing Encapsulation (GRE)
  • IP-IP
  • GRE
  • IP-IP
  • Troubleshooting tools (ping, traceroute, traceoptions, show commands, logging)

  • Link aggregation groups (LAG)
  • Redundant trunk groups (RTG)
  • Virtual chassis
  • Graceful restart
  • Graceful Routing Engine switchover (GRES)
  • Nonstop active routing (NSR)
  • Nonstop bridging (NSB)
  • Bidirectional Forwarding Detection (BFD)
  • Virtual Router Redundancy Protocol (VRRP)
  • Unified In-Service Software Upgrade (ISSU)
  • LAG and RTG
  • Virtual chassis
  • Graceful restart, GRES, NSB, and NSR
  • VRRP
  • ISSU
  • Troubleshooting tools (traceoptions, show commands, logging)


Fees Structure : 15500 INR / 185 USD
Total No of Class : 88 Video Class
Class Duration : 58:30 Working Hours
Download Feature : Download Avalable
Technical Support : Call / Whatsapp : +91 8680961847
Working Hours : Monday to Firday 9 AM to 6 PM
Payment Mode : Credit Card / Debit Card / NetBanking / Wallet (Gpay/Phonepay/Paytm/WhatsApp Pay)

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Fees Structure : 22500 INR / 270 USD
Class Duration : 30 Days
Class Recording : Live Class Recording available
Class Time : Monday to Firday 1.5 hours per day / Weekend 3 Hours per day
Technical Support : Call / Whatsapp : +91 8680961847
Working Hours : Monday to Firday 9 AM to 6 PM
Payment Mode : Credit Card / Debit Card / NetBanking / Wallet (Gpay/Phonepay/Paytm/WhatsApp Pay)

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