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A security administrator needs to implement a secure wireless authentication method that uses a remote RADIUS server for authentication. %Which of the following is an authentication method Jane should use?
A. WPA2-PSK
D. LEAP
B. WEP-PSK
C. CCMP
A RADIUS server is a server with a database of user accounts and passwords used as a central authentication database for users requiring network access. The Lightweight Extensible Authentication Protocol (LEAP) is a proprietary wireless LAN authentication method developed by Cisco Systems. Important features of LEAP are dynamic WEP keys and mutual authentication (between a wireless client and a RADIUS server). LEAP allows for clients to reauthenticate frequently; upon each successful authentication, the clients acquire a new WEP key (with the hope that the WEP keys don't live long enough to be cracked). LEAP may be configured to use TKIP instead of dynamic WEP.
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