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Ans B ; wi-fi protected access

 

Wi-Fi Protected Access (WPA) is a security standard to secure computers connected to a Wi-Fi network. Its purpose is to address serious weaknesses in the previous system, the Wired Equivalent Privacy (WEP) standard.

Wi-Fi Protected Access (WPA) and WPA2 are concurrent security standards. WPA addressed the majority of the IEEE 802.11i standard; and the WPA2 certification achieved full compliance. However, WPA2 will not work with some older network cards, thus the need for concurrent security standards.
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