Which three statements about the TACACS protocol are correct? (Choose three.)

A.
TACACS+ is an IETF standard protocol.

B.
TACACS+ uses TCP port 47 by default.

C.
TACACS+ is considered to be more secure than the RADIUS protocol.

D.
TACACS+ can support authorization and accounting while having another separate
authentication solution.

E.
TACACS+ only encrypts the password of the user for security.

F.
TACACS+ supports per-user or per-group for authorization of router commands.