Q29 Single choice Mark for later What is a difference between TACACS+ and RADIUS protocol traffic? A TACACS+ uses UDP at the transport layer, and RADIUS uses TCP at the transport layer. B TACACS+ separates each AAA function, and RADIUS combines authentication and authorization. C TACACS+ encrypts passwords only, and RADIUS encrypts the entire packet payload. D TACACS+ supports IP traffic only at the network layer, and RADIUS supports multiple protocols. Correct answer