Final answer:
Access Points must support WPA2 to comply with the 802.11i security standards, while WPA3 is a newer standard that enhances security further. WEP and WPA are older and not part of the 802.11i specification.
Step-by-step explanation:
To comply with the 802.11i security standards, Access Points (APs) must support certain encryption techniques. The standard requires that APs support WPA2 (Wi-Fi Protected Access 2) as the mandatory encryption method. Although the 802.11i standard doesn't require WPA3, it has since been developed and is considered the successor to WPA2, providing enhanced security features. WEP (Wired Equivalent Privacy) and WPA (Wi-Fi Protected Access) are older encryption standards that are not part of the 802.11i specifications and are considered to be less secure.