Q1 Single choice Flag What is the difference between WPA and WPA2 encryption? A WPA encryption uses symmetric keys, and WPA2 encryption uses asymmetric keys. B WPA encryption acts at Layer 3, and WPA2 encryption acts at Layer 2. C WPA encryption works only with preshared key (PSK) authentication, and WPA2 encryption works with both PSK and 802.1X. D WPA encryption uses TKIP by default, and WPA2 encryption uses AES by default. Correct answer