A. [edit] user@router# save var tmp current.confB. [edi……

单项选择题What does the command show | compare rollback 1 display?（）

A. the difference between the current candidate configuration and the candidate configuration from one commit ago
B. the difference between the current active configuration and the current candidate configuration
C. the difference between the current active configuration and the active configuration from one commit ago
D. the difference between the current candidate configuration and the archived configuration from one commit ago

单项选择题Using the command, user@router# load override latest.conf, where in the file system will the latest.conf be located?（）

A. /var/home/user/
B. /var/config/saved/
C. /var/tmp/
D. /config/

单项选择题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/

单项选择题You configured an interface with an IP address and committed the change. You then committed 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

多项选择题Which two statements are true when using the configure exclusive CLI command?（）

A. Multiple users can enter configuration mode and have their own private configuration.
B. When a user commits, only the user's changes are committed.
C. A message indicates which other users are in configuration mode and what portion of the configuration they are editing.
D. Only a single user can edit the configuration.