Agile Controller-Campus As RADIUS When the server performs authentication, how many ends need to be configured for authentication on the admission control device?

Agile Controller-Campus The department includes four parts of the management center(MC)Business manager(SM)And business controller(SC)And client network access equipment (NAD)As a component of the solution, it is linked with the service controller to realize user access control and free mobility.

Regarding the trigger mechanism of 802.1X authentication, which of the following descriptions is correct?
(multiple choice)

Traditional network single--The strategy is difficult to cope with the current complex situations such as diversified users, diversified locations, diversified terminals, diversified applications, and insecure experience.

Location refers to the end user's use AC-Campus The terminal environment when accessing the controlled network office. Which of the following options is correct for the description of the place?