A. request system storage cleanup candidatesB. request ……

多项选择题Which two commands allow you to return to a previous version of software on the device?（）

A. request system software add
B. request system software downgrade
C. request system software replace
D. request system software rollback

单项选择题Which command do you issue to upgrade the current software on Junos devices?（）

A. request system software replace
B. request system software install
C. request system software add
D. request system software upgrade

单项选择题You issue the command telnet interface ge-1 1 0 10.10.10.1 source 192.168.100.1 bypass-routing. Which statement is correct?（）

A. The bypass-routing parameter is ignored when using private IP addressing.
B. The telnet session will have the source IP address 10.10.10.1.
C. The telnet session will connect to the neighboring device's interface ge-1/1/0.
D. Return traffic for the telnet session might not arrive at interface ge-1/1/0.

单项选择题You issue the ping interface t1-1 1 0 1.1.1.1 bypass-routing count 1000 rapid command. Which statement is correct?（）

A. The bypass-routing parameter is used to test the density on the T1 line.
B. The bypass-routing parameter cannot be used on a T1 interface.
C. The bypass-routing parameter allows you to ping a host through an interface that has no route through it.
D. The bypass-routing parameter allows you to ping a local WAN interface without generating any outbound traffic.

单项选择题You issue the ping interface t1-1 1 0 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 1000 seconds before sending out a ping.
D. The count parameter allows the router to send out 1000 pings and then stop.