Which infrastructure issue needs to be verified andpotentially resolved before deploying a centralized 802.11n
WLAN?

A.
That all the access layer switches that the 802.11n APs will connect to support 802.3af power.

B.
That all the access layer switches that the 802.11n APs will connect to contain 10/100/1000 Ethernetports.

C.
The location of application and authentication servers.

D.
The proposed location for the WDS server.

E.
The proposed location for the WCS.