- when both the AP and client are configured with the same key or secret word for authentication by the AP
- when a wireless client sends its MAC address to the AP for authentication after being validated by the internal database of the AP
- when unauthenticated clients associate with the AP
- when a client communicates with a RADIUS server for authenticated access to the network through the AP
Explanation: In a 802.1x WLAN environment, WPA2 with EAP (Extensible Authentication Protocol) allows for a back-end authentication server like Radius. In this environment, even though the supplicant is authenticated by the AP, the actual authentication process is carried out by the back-end Radius server through the WLAN controller.
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