What is the purpose of this command?

Refer to the exhibit.

An administrator has configured the command shown in the exhibit on FortiManager. A configuration change has been installed from FortiManager to the managed FortiGate that causes the FGFM tunnel to go down for more than 15 minutes.

What is the purpose of this command?
A . It allows FortiGate to unset central management settings.
B . It allows FortiGate to reboot and recover the previous configuration from its configuration file.
C . It allows the FortiManager to revert and install a previous configuration revision on the managed FortiGate.
D . It allows FortiGate to reboot and restore a previously working firmware image.

Answer: B

Explanation:

Reference: https://docs.fortinet.com/document/fortimanager/6.2.0/fortigate-fortimanager-communicationsprotocol-guide/141304/fgfm-recovery-logic