What is the purpose of local WebAuth on a Cisco Catalyst switch?

A.
It provides configurable guest access to nonsupplicant devices that lack local credentials.

B.
It provides configurable guest access to devices that have a supplicant but lack local
credentials.

C.
It provides configurable guest access to nonsupplicant devices that have local
credentials.

D.
It provides configurable guest access to devices that have a supplicant when the
authentication server is down or unreachable.

E.
It provides configurable guest access to devices that have a supplicant when the
authenticator is down or unreachable.