Your primary Security Management Server runs on SecurePlatform. What is the easiest way to back up your Security Gateway R75 configuration, including routing and network configuration files?

A.
Using the native SecurePlatform back up utility from command line or in the Web-based user interface.

B.
Using the command upgrade_export.

C.
Run the command pre_upgrade_verifier and save the file *.tgz to the directory c:/temp.

D.
Copying the directories $FWDIR/conf and $FWDIR/lib to another location.