Which statement accurately describes the exec config rollback feature?

A.
It allows the administrator to re-apply a previously saved configuration file from a list of
LKG files in flash.

B.
Once the LKG file is created, it allows the administrator to re-apply a previously saved
configuration file from flash without rebooting.

C.
Once the LKG file is created, it allows the administrator to re-apply a locked configuration
file from a separate area in flash.

D.
Once the LKG file is created, it allows the administrator to revert to the prior ScreenOS
image or configuration file in the event an upgrade operation aborts.