What is the purpose of the fallback profile command?

What is the purpose of the fallback profile command?

A.
This command configures the Critical VLAN policy on an interface.

B.
This command configures the Restricted VLAN policy on an interface.

C.
This command configures the Guest VLAN policy on an interface.

D.
This command globally enables WebAuth authentication.

E.
This command configures a WebAuth profile to use in the event that MAB authentication
fails.

F.
This command configures a WebAuth profile to use in the event that 802.1X
authentication fails.