· WPA and WPA2 are two standards developed by the WiFi Alliance based on the draft of 802.11i before 802.11i was released.
· PSK and 802.1X are two authentication methods for wireless networks. PSK is simple and is intended for personal use. 802.1X is complex, more secure, and is intended for enterprise use.
· TKIP and CCMP are two encryption algorithms. AES is the core algorithm of CCMP and also the most secure encryption algorithm.
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