An administrator is having difficulty configuring WPA2 Enterprise using EAP-PEAP-MSCHAPv2. The administrator has configured the wireless access points properly, and has configured policies on the RADIUS server and configured settings on the client computers. Which of the following is missing?
A. Client certificates are needed
B. A third party LEAP client must be installed
C. A RADIUS server certificate is needed
D. The use of CCMP rather than TKIP