QUESTION 1
Given the example shown below:
Emergency boot media > flash disk > _____
What is missing from the default boot list?
A. LAN
B. USB
C. PCMCIA card
D. hard disk
Answer: D
QUESTION 2
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
Answer: C
QUESTION 3
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
Answer: AD
QUESTION 4
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
Answer: B
QUESTION 5
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
Answer: ACD
QUESTION 6
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
Answer: AB
QUESTION 7
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)
Answer: BC
QUESTION 8
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”
Answer: ACD
QUESTION 9
Which two statements are true regarding BGP path MTU discovery? (Choose two.)
A. BGP path MTU discovery provides the most efficient use of link bandwidth.
B. BGP path MTU discovery alleviates fragmentation problems.
C. BGP path MTU discovery must be configured on every router along the path.
D. BGP path MTU discovery can be enabled only for IBGP sessions.
Answer: AB
QUESTION 10
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 terse
B. monitor interface traffic
C. monitor traffic interface
D. show interfaces extensive
Answer: C
…go to http://www.lead2pass.com/JN0-690.html to download the full version Q&As.
