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Which of the following can be defined as a framework th…

Which of the following can be defined as a framework that supports multiple, optional authentication
mechanisms for PPP, including cleartext passwords, challenge-response, and arbitrary dialog sequences?

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A.
Extensible Authentication Protocol

B.
Challenge Handshake Authentication Protocol

C.
Remote Authentication Dial-In User Service

D.
Multilevel Authentication Protocol.

Explanation:
Extensible Authentication Protocol (EAP) is defined as:
A framework that supports multiple, optional authentication mechanisms for PPP, including clear-text
passwords, challenge-response, and arbitrary dialog sequences.
The Extensible Authentication Protocol (EAP) is a protocol for wireless networks that expands on authentication
methods used by the Point-to-Point Protocol (PPP), a protocol often used when connecting a computer to the
Internet. EAP can support multiple authentication mechanisms, such as token cards, smart cards, certificates,
one-time passwords, and public key encryption authentication.
Incorrect Answers:
B: The definition in the question does not describe Challenge Handshake Authentication Protocol.
C: The definition in the question does not describe Remote Authentication Dial-In User Service.
D: The definition in the question does not describe Multilevel Authentication Protocol.

http://www.sans.org/security-resources/glossary-of-terms/?pass=e
http://searchsecurity.techtarget.com/definition/Extensible-Authentication-Protocol-EAP


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