Which roaming situation using controllers in a Cisco Unified Wireless Network requires a client
using WPA2 with PKC to reauthenticate to the network?

A.
A wireless client roams to another AP on a different controller in the same mobility domain.

B.
A wireless client roams to another AP on the same controller.

C.
A wireless client roams to another AP after being out of range of the network for 2 minutes.

D.
A wireless client roams to another AP on a controller in a different mobility domain.