To perform authentication and authorization, which of the following elements must be deployed?

O A. Supplicant
O C. Authentication server
O D. Authenticator



1) Supplicant: Supplicant is a network device which collects authentication credentials from end user and forwards those credentials for authentication process. Example: A software application running on a laptop attached to a network port or an Operating system related processe running on that laptop.

2) Authenticator: Authenticator is a network access device which collects the authentication credentials from the Supplicant and relay those credentials to the Authentication Server for verification. (Switch or wireless AP).

3) Authentication Server: Authentication Server is a network server that validates the credentials sent by the supplicant based on the information stored in its database and determines whether to allow network access or prevent network access to the Supplicant. Authentication Server can be any RADIUS Server.