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Juniper Networks Certified Internet Specialist Enterprise Routing & Switching (JNCIS-ENT)

Designed for experienced networking professionals with beginner to intermediate knowledge of routing and switching implementations in Junos. This written exam verifies the candidate's basic understanding of routing and switching technologies and related platform configuration and troubleshooting skills.


!.Acceptable substitutions: JNCIA-ER, JNCIS-ER, JNCIA-EX, JNCIA-M, and JNCIS-M.

Recommended training for this certification


  • Exam code: JN0-343
  • Written exam
  • Exam length: 105 minutes
  • Exam type: 80 multiple-choice questions
  • Pass/fail status is available immediately

JN0-343 (JNCIS-ENT) exam topics are based on the content of the Junos Intermediate Routing and the Junos Enterprise Switching instructor-led training courses.

Detailed Exam Objectives include:

  • Layer 2 Switching and VLANs
  • Spanning Tree
  • Layer 2 Security
  • Protocol Independent Routing
  • Open Shortest Path First (OSPF)
  • Intermediate System to Intermediate System (IS-IS)
  • Border Gateway Protocol (BGP)
  • Tunnels
  • High Availability


The JNCIS-ENT certification is valid for two years. Recertification is achieved by passing the current version of the JNCIS-ENT exam or by advancing your certification to Juniper Networks Certified Internet Professional Enterprise Routing & Switching (JNCIP-ENT).