which controller can you add an administrative user and assign a controller management role?

Exhibit:

Referring to the above screen capture, on which controller can you add an administrative
user and assign a controller management role?

A.
Controller 10.1.11.100 only

B.
Controller 10.1.11.101 and 10.254.1.3 only

C.
All three Controllers

D.
Must be done in the RADIUS server

E.
Controller 10.254.1.101 only