Juniper JN0-349 Exam Details & Actual Exam Questions
- Exam Code/Number: JN0-349
- Exam Name/Title: Enterprise Routing and Switching, Specialist (JNCIS-ENT)
- Certification Provider: Juniper
- Corresponding Certification: JNCIS-ENT
- Exam Questions: 112
- Updated On: Sep,04 2026
- Certification Level: Specialist
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Exam Questions
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(26 Up Votes)Juniper JN0-349 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Enterprise Routing and Switching, Specialist Exam |
| Exam Number: | JN0-349 |
| Passing Score: | Variable (typically 60%-70%, not publicly disclosed) |
| Related Certifications: | JNCIE-ENT JNCIP-ENT JNCIA-Junos |
| Exam Duration: | 90 minutes |
| Exam Price: | $300 USD (excluding taxes) |
| Certificate Validity Period: | 3 years |
| Available Languages: | English |
| Real Exam Qty: | 65 |
| Exam Format: | Multi-select, Scenario-based, Multiple Choice |
| Recommended Training: | Junos Enterprise Switching (JEX) Junos Intermediate Routing (JIR) |
| Exam Registration: | Pearson VUE Registration Juniper Certification Portal |
| Sample Questions: | Juniper JN0-349 Sample Questions |
| Exam Way: | Onsite at Pearson VUE test centers or online via Pearson VUE OnVUE remote proctoring |
| Pre Condition: | Juniper Networks Certified Associate, Junos (JNCIA-Junos) |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/tracks/enterprise-routing-switching/jncis-ent.html |
Juniper JN0-349 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: IS-IS | 10% | - Configuration and monitoring - Level 1/Level 2 routing - IS-IS protocol basics |
| Topic 2: Spanning Tree Protocols | 15% | - Configuration and tuning - STP, RSTP, MSTP, VSTP - Troubleshooting spanning tree |
| Topic 3: Tunnels and High Availability | 10% | - GRE and IP-IP tunnels - VRRP and redundant routing - Graceful restart and GRES |
| Topic 4: Protocol-Independent Routing | 15% | - Routing policy and firewall filters - Routing tables and routing instances - Static and aggregate routes |
| Topic 5: OSPF | 15% | - Areas, metrics, and LSDB - Configuration and verification - OSPFv2 concepts and operation - Troubleshooting OSPF |
| Topic 6: Layer 2 Security | 15% | - MAC limiting and storm control - DHCP snooping - Port security - Dynamic ARP inspection |
| Topic 7: BGP | 10% | - Route selection and policies - BGP peering and attributes - Configuration and verification |
| Topic 8: Layer 2 Switching and VLANs | 20% | - VLAN concepts and configuration - LLDP and LACP - Inter-VLAN routing |
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