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Updated: Sep 20, 2026
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Juniper JN0-400 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | JNCIA-EX Exam (Enterprise Switching Associate Certification) |
| Exam Number: | JN0-400 |
| Real Exam Qty: | Approximately 65 (may vary) |
| Exam Price: | USD 200 (varies by region/tax) |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Passing Score: | Variable (typically ~60–70%) |
| Exam Format: | Multiple Choice, Multiple Response |
| Certificate Validity Period: | 3 years |
| Related Certifications: | JNCIA-Junos JNCIP-ENT JNCIS-ENT |
| Recommended Training: | Juniper Open Learning Juniper Networks Training (JNCIA-EX / Enterprise Switching) |
| Exam Registration: | Juniper Certification Portal Pearson VUE Juniper Exams |
| Sample Questions: | Juniper JN0-400 Sample Questions |
| Exam Way: | Online proctored or authorized testing center |
| Pre Condition: | No formal prerequisites required, but basic networking knowledge is recommended. |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/certification-tracks/enterprise-switching.html |
Juniper JN0-400 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Spanning Tree Protocol (STP) | - Loop prevention mechanisms - RSTP improvements and convergence - STP operation and election process |
| Network Security and Operations | - Basic monitoring and logging - Port security and access control |
| Juniper EX Series Switches | - Basic configuration and management - Switch troubleshooting fundamentals - EX Series architecture overview |
| Layer 2 Switching Fundamentals | - Switch operation basics - Ethernet fundamentals and frame structure - MAC address learning and forwarding |
| VLANs and Logical Segmentation | - Trunking (802.1Q) - Inter-VLAN routing concepts - VLAN configuration and operation |
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