Lumia with Windows Phone 7 supports the WPA, WPA2 and WEP security standards. EAP-FAST is not supported.

Lumia with Windows Phone 8 supports the WPA, WPA2(AES+TKIP), WEP, PEAP-MSCHAPv2, EAP-SIM and EAP-AKA security standards.

You can manage the Wireless LAN connections in Settings > WiFi.