What is the primary different between AAA authentication and authorization?
A.Authentication verifies a username and password, and authorization handles the communication between the authentication agent and the user database. B.Authentication identifies a user who is attempting to access a system, and authorization validates the users password. C.Authentication identifies and verifies a user who is attempting to access a system, and authorization controls the tasks the user can perform. D.Authentication controls the system processes a user can access and authorization logs the activities the user initiates.正确答案C
