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2021 Sep JN0-102 vce
Q81. Which command will show the best paths that are installed in the PFE?
A. show route
B. show route active-path
C. show route private
D. show route forwarding-table
Answer: D
Q82. A network administrator wants to verify the active alarms on interface so-0/0/0.0.
Which command displays this information?
A. show interfaces alarms
B. show interfaces terse
C. show alarms extensive
D. show interfaces extensive
Answer: D
Q83. Which command prompt indicates that you are in operational mode?
A. user@router&
B. user@router#
C. user@router%
D. user@router>
Answer: D
Q84. You have just issued the command user@router# save current.conf.
Assuming the default settings, where in the file system is current.conf saved?
A. /var/tmp/
B. /var/config/saved/
C. /var/home/user/
D. /config/
Answer: C
Q85. Which statement is true regarding syslog on Junos devices?
A. No logging is enabled by default.
B. By default, the information is stored in a file named events.
C. Only the message severity level must be configured.
D. You can configure the router to send log messages to the console.
Answer: D
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Q86. You must segment your internal /24 network into a minimum of 12 subnets, each containing a minimum of 12 hosts.
Which network mask do you use?
A. /26
B. /27
C. /28
D. /29
Answer: C
Q87. Which statement is correct about the forwarding table?
A. The forwarding table is stored only on the PFE.
B. The forwarding table contains all known routes.
C. The forwarding table is stored on both the RE and PFE.
D. The forwarding table is stored only on the RE.
Answer: C
Q88. What are two benefits of the modular design of the Junos OS? (Choose two.)
A. Each module uses application-specific integrated circuits (ASICs).
B. Each module runs in its own protected memory space.
C. Each module can be individually restarted.
D. Each module is supported across all Junos platforms.
Answer: B,C
Q89. Which action does the ping 172.18.1.1 size 5 command perform?
A. It sends only five ping requests to the 172.18.1.1 destination.
B. It sends a continuous ping with a packet length of five bytes to the 172.18.1.1 destination.
C. It sends five rapid ping requests to the 172.18.1.1 destination.
D. It sends a continuous rapid ping with a packet length of five bytes to the 172.18.1.1 destination.
Answer: B
Q90. Which command do you use to display the messages seen during the last system boot?
A. show system boot-messages
B. show chassis messages
C. show file system boot-messages
D. show boot-log messages
Answer: A