When backing up the configuration file on a FortiGate unit, the contents can be encrypted by enabling the encrypt option and supplying a password. If the password is forgotten, the configuration file can still be restored using which of the following methods?
A. Selecting the recover password option during the restore process.
B. Having the password emailed to the administrative user by selecting the Forgot Password option.
C. Sending the configuration file to Fortinet Support for decryption.
D. If the password is forgotten, there is no way to use the file.