Which of the following cryptographic products would be used to provide the MOST secure environment for the WLAN?

A network administrator has been tasked with securing the WLAN. Which of the following
cryptographic products would be used to provide the MOST secure environment for the
WLAN?

A.
WPA2 CCMP

B.
WPA

C.
WPA with MAC filtering

D.
WPA2 TKIP