VoWLAN implementation plans for a current mix of existing Cisco Unified Wireless IP Phones
7920G and 7921G to a final migration of Wireless IP Phones 7925G in a single WLAN. What
would be the most appropriate WLC WLAN configuration to end with Wireless IP Phones 7925G?

A.
7920 Client CAC = enabled only; Radio Policy = All; WMM = Disabled

B.
7920 AP CAC = enabled only; Radio Policy = All; WMM = Allowed

C.
7920 Client CAC = enabled only; Radio Policy = 802.11a only; WMM = Disabled

D.
7920 AP CAC = enabled only; Radio Policy = 802.11a only; WMM = Allowed

E.
7920 Client CAC = enabled only; Radio Policy = 802.11b/g only; WMM = Disabled

F.
7920 AP CAC = enabled only; Radio Policy = 802.11b/g only; WMM = Allowed

Explanation: