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.
