Get real JN0-349 exam questions for better preparation

Real Juniper JN0-349 practice exam questions for easy pass!

Updated: Aug 12, 2026

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Juniper JN0-349 Exam Overview:

Certification Vendor:Juniper Networks
Exam Name:JNCIS-ENT Enterprise Routing and Switching Specialist Exam
Exam Number:JN0-349
Real Exam Qty:Approximately 65 (varies)
Exam Price:USD 300 (approx., varies by region)
Related Certifications:JNCIA-Junos
JNCIS-ENT
JNCIP-ENT
JNCIE-ENT
Certificate Validity Period:3 years
Passing Score:Variable (scaled scoring; typically not publicly fixed)
Exam Duration:90 minutes
Available Languages:English
Exam Format:Multiple choice, Scenario-based questions
Recommended Training:Juniper Enterprise Routing and Switching Training
Juniper Open Learning
Exam Registration:Juniper Certification Portal
Sample Questions:Juniper JN0-349 Sample Questions
Exam Way:Online proctored or authorized testing center (Pearson VUE)
Pre Condition:Recommended prerequisite: JNCIA-Junos certification or equivalent networking knowledge
Official Syllabus URL:https://www.juniper.net/us/en/training/certification.html

Juniper JN0-349 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Port security, including MAC limiting, DHCP snooping, Dynamic ARP inspection (DAI) or IP source guard
  • Inter-VLAN routing
  • Match criteria and actions
Topic 2
  • Identify the concepts, operation or functionality of various protocol-independent routing components
  • Routing instances, including RIB groups
Topic 3
  • Demonstrate knowledge how to configure, monitor or troubleshoot Layer 2 switching or VLANs
  • Convergence and reconvergence
Topic 4
  • Demonstrate knowledge of how to configure, monitor, or troubleshoot high availability components
  • Native VLANs and voice VLANs
Topic 5
  • Unified In-Service Software Upgrade (ISSU)
  • Areas, interfaces and neighbors
  • Designated intermediate system (DIS)
Topic 6
  • Demonstrate knowledge how to configure, monitor, or troubleshoot Spanning Tree
  • Identify the concepts, benefits or operation of Layer 2 firewall filters
Topic 7
  • Demonstrate knowledge of how to configure, monitor or troubleshoot IS-IS
  • Demonstrate knowledge how to configure, monitor, or troubleshoot Layer 2 security
Topic 8
  • Describe the concepts, operation or functionality of IS-IS
  • Static, aggregate, and generated routes
Topic 9
  • Designated router (DR) and backup designated router (BDR)
  • Describe the concepts, benefits, operation, or functionality of the Spanning Tree Protocol
Topic 10
  • Identify the concepts, operation, or functionality of Layer 2 switching for the Junos OS
  • Firewall filter configuration and application
Topic 11
  • Identify the concepts, benefits, applications or requirements for high availability in a Junos OS environment
Topic 12
  • Demonstrate knowledge of how to configure, monitor, or troubleshoot BGP
  • Protocol Independent Routing

Reference: https://www.juniper.net/us/en/training/certification/tracks/enterprise-routing-switching/jncis-ent.html

Juniper JN0-349 Exam Certification Details:

Exam NameEnterprise Routing and Switching Specialist
Sample QuestionsJuniper JN0-349 Sample Questions
Passing ScoreVariable (60-70% Approx.)
Number of Questions65
Exam CodeJN0-349 JNCIS-ENT
Recommended TrainingJunos Intermediate Routing (JIR)
Junos Enterprise Switching (JEX)
Exam RegistrationPEARSON VUE
Exam Price$300 USD
Duration90 minutes

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