How is 802.11 traffic handled in a fabric-enabled SSID?

A.	centrally switched back to WLC where the user traffic is mapped to a VXLAN on the WLC
B.	converted by the AP into 802.3 and encapsulated into VXLAN
C.	centrally switched back to WLC where the user traffic is mapped to a VLAN on the WLC
D.	converted by the AP into 802.3 and encapsulated into a VLAN