Which three statements about TACACS+ are true? (Choose three.)
A.
TACACS+ uses TCP port 49.
B.
TACACS+ uses UDP ports 1645 and 1812.
C.
TACACS+ encrypts the entire packet.
D.
TACACS+ encrypts only the password in the Access-Request packet.
E.
TACACS+ is a Cisco proprietary technology.
F.
TACACS+ is an open standard.