Juniper JN0-400 : EX, Associate (JNCIA-EX)
- Exam Code: JN0-400
- Exam Name: EX, Associate (JNCIA-EX)
- Updated: Aug 14, 2026
- Q & A: 120 Questions and Answers
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Juniper JN0-400 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Juniper EX Series Switches | - Basic configuration and management - Switch troubleshooting fundamentals - EX Series architecture overview |
| VLANs and Logical Segmentation | - Trunking (802.1Q) - VLAN configuration and operation - Inter-VLAN routing concepts |
| Network Security and Operations | - Basic monitoring and logging - Port security and access control |
| Spanning Tree Protocol (STP) | - Loop prevention mechanisms - STP operation and election process - RSTP improvements and convergence |
| Layer 2 Switching Fundamentals | - MAC address learning and forwarding - Ethernet fundamentals and frame structure - Switch operation basics |
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