What are the configuration steps, in order, for implementing wireless guest users using the foreign and anchor controllers approach?

What are the configuration steps, in order, for implementing wireless guest users using the foreign and anchor controllers approach?

A.
1) RF mobility group
2) lobby ambassador
3) SSID

B.
1) mobility domain name
2) mobility group
3) web portal

C.
1) anchor controller
2) WLAN
3) local guest server
4) lobby administrator

D.
1) anchor controller
2) mobility group
3) guest WLAN
4) guest account management