Answer Description
Protected Extensible Authentication Protocol (PEAP) provides encrypted, mutual authentication, while the Microsoft Challenge Handshake Authentication Protocol provides network authentication through username and password.
Wikipedia
PEAP is also an acronym for Personal Egress Air PacksThe Protected Extensible Authentication Protocol, also known as Protected EAP or simply PEAP, is a protocol that encapsulates the Extensible Authentication Protocol (EAP) within an encrypted and authenticated Transport Layer Security (TLS) tunnel The purpose was to correct deficiencies in EAP EAP assumed a protected communication channel, such as that provided by physical security, so facilities for protection of the EAP conversation were not providedPEAP was jointly developed by Cisco Systems, Microsoft, and RSA Security PEAPv0 was the version included with Microsoft Windows XP and was nominally defined in draft-kamath-pppext-peapv0-00
Protected_Extensible_Authentication_Protocol - Wikipedia, the free encyclopedia