A network administrator has decided to use WPA2 for security in a WLAN. Which statement describes WPA2?

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A network administrator has decided to use WPA2 for security in a WLAN. Which statement describes WPA2?

WPA2 requires use of an open authentication method.
WPA2 uses preconfigured keys to encrypt and decrypt data.
WPA2 specifies the use of a static encryption key that must be changed frequently to enhance security.
WPA2 specifies the use of a dynamic encryption key.

Explanation: WPA2, unlike WEP which uses preconfigured keys, generates new, dynamic keys each time a client establishes a connection with the AP.