The third-shift Administrator was updating Security Management Server Access settings in Global Properties and testing. He managed to lock himself out of his account. How can you unlock this account?

A.
Delete the file sdmin.lock in the Security Management Server directory $PWDIR/tmp/

B.
The fwn lock_admin �u <account name> from Security Management Server command line

C.
Type fwn unlock_admin � u from the Security Gateway command line

D.
Type fwn unlock_admin from the Security Management Server Command line