JN0-690 Exam Dumps
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| Certification Provider: | Juniper |
|---|---|
| Exam Code / Number: | JN0-690 |
| Exam Name: | Junos Troubleshooting |
| Exam Questions: | 70 |
| Last Updated: | Jun 25, 2026 |
| Corresponding Certification: | JNCSP-SEC |
(307 Up Votes)Juniper JN0-690 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Control Plane Troubleshooting | 20% | - Control plane protection & DDoS mitigation - Protocol control messages & routing tables - Routing Engine operations & health |
| Chassis & Hardware Troubleshooting | 15% | - Hardware components & status monitoring - Boot process & system startup problems - Power, cooling & FPC/PIC issues |
| Data Plane & Interfaces Troubleshooting | 20% | - CoS, filters & policer issues - Interface configuration, status & errors - Forwarding table & packet flow analysis |
| Layer 2 & Layer 3 Protocol Troubleshooting | 15% | - OSPF, BGP, IS-IS & RIP - VRRP, BFD & high availability protocols - Ethernet, VLAN, STP & LACP |
| High Availability & Network Services | 15% | - Graceful restart & non-stop routing - Chassis cluster & redundancy groups - DHCP, DNS, NTP & authentication services |
| Troubleshooting Methodology & Tools | 15% | - Junos CLI commands & diagnostic utilities - Logging, monitoring & packet capture tools - Systematic troubleshooting approach |