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.
