What is a difference between RADIUS and TACACS+?
A.RADIUS is most appropriate for dial authentication, but TACACS+ can be used for multiple types of authentication B.TACACS+ encrypts only password information and RADIUS encrypts the entire payload C.TACACS+ separates authentication and authorization, and RADIUS merges them D.RADIUS logs all commands that are entered by the administrator, but TACACS+ logs only start, stop, and interim commands正确答案C
