In which three ways does the TACACS protocol differ from RADIUS? (Choose three.)
A. TACACS authenticates and authorizes simultaneously, causing fewer packets to be transmitted.
B. TACACS can encrypt the entire packet that is sent to the NAS.
C. TACACS uses UDP to communicate with the NAS.
D. TACACS supports per-command authorization.
E. TACACS uses TCP to communicate with the NAS.
F. TACACS encrypts only the password field in an authentication packet.
