Answer:C) PEAP(Protected Extensible Authentication Protocol)
Explanation: PEAP(Protected Extensible Authentication Protocol) is the protocol that is used in point-to-point network connection and wireless network connection.It is the version of EAP(Extensible Authentication Protocol) with the advantage of protection to maintain the security.
Other options are incorrect because EAP-FAST is the EAP protocol with that has flexible authentication through secure tunneling, EAP-TLS is the EAP protocol with the transfer layer security and EAP is used for the expansion of authentication method for the network between internet and computer system.Thus, the correct option is option(c).