You Have Set Up FlexConnect APs

You have set up FlexConnect APs. For which scenario is Fast Roaming supported, providing the WLAN is mapped to the same VLAN and the client is roaming to an AP on the same Cisco WLC?

A) central switching with PMK (OKC) between different FlexConnect groups
B) local switching with Cisco Centralized Key Management within the same FlexConnect group
C) central switching with Cisco Centralized Key Management between different FlexConnect groups
D) local switching with PMKID within the same FlexConnect group