What are these RADIUS attributes used for in the Aruba RADIUS dictionary shown here?

A.
To send information via RADIUS packets to clients.

B.
To send information via RADIUS packets to Aruba NADs.

C.
To gather information about Aruba NADs for ClearPass.

D.
To gather and send Aruba NAD information to ClearPass.

E.
To send CoA packets from Clearpass to the Aruba NAD.