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JN0-100單項選擇題每日一練(2019.01.13)

單項選擇題
Which command is used to show active alarms on a Juniper device?（）
A.file list alarm
B.show chassis alarms
C.show chassis state
D.show hardware alarms
單項選擇題
Which command would initiate a loopback on a Gigabit Ethernet interface ge-0/0/0?（）
A.# set interfaces ge-0/0/0 unit 0 loopback
B.# set interfaces ge-0/0/0 gigether-options loopback
C.> set interfaces ge-0/0/0 loopback
D.> loopback ge-0/0/0
單項選擇題
After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?"（）
A.Layer 1 on the interface is up but Layer 2 is down.
B.Layer 2 on the interface is up but Layer 3 has not been configured.
C.The interface is administratively up but the link status is down.
D.The interface is up but has been administratively turned off.
單項選擇題
What is the primary syslog file?（）
A./var/syslog-file
B./var/syslog
C./var/log/messages
D./log-file
單項選擇題
Which command is a valid way to view the status of an interface?（）
A.>show interfaces fe-0/0/0 extensive
B.>show interfaces fe-0/0/0 status
C.>show interfaces fe-0/0/0 health-info
D.>show interfaces fe-0/0/0 verbose

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