Latest Juniper JN0-690 Practice Tests Free Download with PDF & VCE
Junos Troubleshooting: JN0-690 Exam
JN0-690 Questions & Answers
Exam Code: JN0-690
Exam Name: Junos Troubleshooting
Q & A: 75 Q&As
Given the example shown below:
Emergency boot media > flash disk > _____
What is missing from the default boot list?
C. PCMCIA card
D. hard disk
You are notified about a router reboot event.
Which command would be helpful in determining the reason for the last reboot?
A. show chassis craft-interface
B. show system reboot
C. show chassis routing-engine
D. show system snapshot
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 alarms
B. show chassis firmware
C. show chassis hardware
D. show chassis environment
Which process is responsible for managing interface devices on the system?
A. chassis daemon
B. device control daemon
C. routing protocol process
D. management daemon
You have been asked to troubleshoot an interface that is flapping.Which three tools would you use to isolate the cause? (Choose three.)
A. syslog messages
B. ping utility
C. loopback interface testing
D. show interfaces
E. PFE statistics
Which two commands help to identify traffic drops due to oversubscription? (Choose two.)
A. show interfaces extensive
B. show interfaces queue
C. monitor interface traffic
D. monitor traffic interface
Which two features would be deployed to prevent DoS attacks? (Choose two.)
A. Bidirectional Forward Detection (BFD)
B. ARP policer
C. loopback filter
D. periodic packet management (PPM)
Which three commands will provide details about CPU utilization on a line card? (Choose three.)
A. show chassis fpc
B. show chassis hardware
C. request pfe execute target fpc1 command “show sched”
D. request pfe execute target fpc1 command “show thread”
E. request pfe execute target fpc1 command “show arp”
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