\begin{tabular}{l|l} 28 & Which three answers are TRUE for Wi-Fi? \end{tabular} a) Roaming is best carried out by giving each AP its own SSID. b) An AP can either be a bridge or an AP, never both simultaneously. c) The BSSID of AP's are often taken from the MAC address of the radio. d) Corporate roaming requires a RADIUS server to invisibly hand users over between stations. e) When AP's are used in bridge + AP mode, they easily become bottleneck as load increases