How can you unlock an administrator’s account, which was been locked due to SmartCenter Access settings in Global Properties?

How can you unlock an administrator’s account, which was been locked due to SmartCenter Access settings in Global Properties?

A.
Type fwm lock_admin a from the command line of the SmartCenter Server.

B.
Clear the "locked" box of the user’s General Properties in SmartDashboard.

C.
Type fwm unlock_admin a from the command line of the SmartCenter Server.

D.
Type fwm unlock_admin a from the command line of the Security Gateway.

E.
Delete the file admin.lock in the $FWDIR/tmp/ directory of the SmartCenter Server.