What is the FortiGate unit password recovery process?

A.
Log in through the console port using the maintainer account within several minutes of a
reboot.

B.
Hold CTRL + break during reboot and reset the admin password.

C.
Interupt boot sequence, modify the boot registry and reboot. After changing the
password, reset the boot registry.

D.
The only way to regain access is to interrupt boot sequence and restore a configuration
file for which the password has been modified.