What solutions will require the least change in how users are currently authenticated and still integrate with their existing PKI?

Given: The ABC Corporation currently utilizes an enterprise Public Key Infrastructure (PKI) to allow employees to securely access network resources with smart cards.

The new wireless network will use WPA2-Enterprise as its primary authentication solution. You have been asked to recommend a Wi-Fi Alliance-tested EAP method.

What solutions will require the least change in how users are currently authenticated and still integrate with their existing PKI?
A . EAP-FAST
B . EAP-TLS
C . PEAPv0/EAP-MSCHAPv2
D . LEAP
E . PEAPv0/EAP-TLS
F . EAP-TTLS/MSCHAPv2

Answer: B