Which two statements are correct about the aaa authentication login default group tacacs+ local global configuration command?

Which two statements are correct about the aaa authentication login default group tacacs+ local global configuration command? (Choose two)

A.
if the tacacs+ server fails to respond then the local database on the router will be used to authenticate the user

B.
this login authentication method list is automatically applied to all lines except those that have a named method list explicitly defined.

C.
“login” is the name of the method list being configured.

D.
If the user fails the TACACS+ authentication then the local database on the router will be used to authenticate the user.

E.
if the tacacs+ server is unavailable, authentication will succeed automatically by default.