An administrator configures all wireless access points to make use of a new network certificate authority.
Which of the following is being used?

A.
WEP
B.
LEAP
C.
EAP-TLS
D.
TKIP
Explanation:
The majority of the EAP-TLS implementations require client-side X.509 certificates without giving the
option to disable the requirement.
Incorrect Answers:
A: WEP does not require the use of X.509 certificates.
B: LEAP does not require the use of X.509 certificates.
D: TKIP does not require the use of X.509 certificates.http://en.wikipedia.org/wiki/Extensible_Authentication_Protocol
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 60, 61