An Administrator Creates a User Role That Department a in a Company

An administrator creates a user role that department A in a company uses. Various other roles exist for other departments. All employees connect to the same ESSID, which authenticates to an external AAA server. How should the administrator configure the controller to assign the appropriate roles to the employees?

A) Implement default roles.
B) Implement user roles.
C) Implement AAA profile roles.
D) Implement server-derived roles.