What are two differences between the RADIUS and TACACS+ protocols? (Choose two.)

What are two differences between the RADIUS and TACACS+ protocols? (Choose two.)

A. RADIUS offers multiprotocol support, whereas TACACS+ does not. B. RADIUS is a Cisco proprietary protocol, whereas TACACS+ is an open standard protocol. C. RADIUS enables encryption of all the packets, whereas with TACACS+, only the password is encrypted. D. RADIUS combines authentication and authorization, whereas TACACS+ does not. E. TACACS+ uses TCP port 49, whereas RADIUS uses UDP ports 1812 and 1813.