What is the FortiGate unit password recovery process?

A.
Log in through the console port using the “maintainer” account within approximately 30
seconds of a reboot.

B.
Hold down the CTRL + Esc (Escape) keys during reboot, then reset the admin password.

C.
Interrupt 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 the boot sequence and restore a
configuration file for which the password has been modified.