单项选择题

Which command do you use to show active alarms?（）

A. show hadrware alarms
B. show system alarms
C. show chassis state
D. file list alarm

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单项选择题

You issue the ping interface tl-1/1/0 1.1.1.1 bypass-routing count 1000 rapid command.Which statement is correct?（）

A. The count parameter creates a counter that you can view with the show firewall command
B. The count parameter allows the router to count the number of pings for logging purposes
C. The count parameter allows the router to pause for 10000 seconds before sending out a ping
D. The count parameter allows the router to send out 1000 pings and then stop

单项选择题

Which statement is true regarding syslog on Junos devices?（）

A. No logging is enabled by default
B. By default the information is stored in all 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

单项选择题

You've configured an interface with an IP address and commited the change. You then commited a change that added an exception in a firewall filter to allow this network through the filter. You realize that this work was done on the wrong router.
How do you undo all these changes?（）

A. rollback 2
B. rollback 1
C. rollback 0
D. rollback 3