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Juniper JN0-690 Exam Syllabus Topics:

Juniper Junos Troubleshooting Sample Questions:

1. A technician has reported an alarm on your device running the Junos OS. You suspect it is due to the temperature in the rack. Which two commands will confirm your suspicion? (Choose two.)

A) show chassis hardware
B) show chassis alarms
C) show chassis environment
D) show chassis firmware

2. A client has reported that they cannot establish an FTP connection to your Junos device.
Which command would you use to diagnose the problem?

A) show interfaces extensive
B) monitor traffic interface
C) show interfaces terse
D) monitor interface traffic

3. Which operational CLI command would you use to display information about the system and software processes?

A) show system
B) show route
C) show cli
D) show chassis

4. Two neighboring routers running OSPF were configured with the same router ID by mistake.
Which OSPF operational mode command would report the number of hello packets received with the local router's router ID?

A) show ospf log
B) show ospf io-statistics
C) show ospf statistics
D) show ospf route

5. Which two actions are required when performing a unified in-service software upgrade (ISSU)? (Choose two.)

A) You must disable graceful Routing Engine switchover (GRES) if the Layer 2 Control Protocol is in use.
B) You must disable nonstop bridging (NSB) if the Layer 2 Control Protocol is in use.
C) You must enable graceful Routing Engine switchover (GRES).
D) You must enable nonstop active routing (NSR).

Solutions: