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CISSP · Question #626
CISSP Question #626: Real Exam Question with Answer & Explanation
The correct answer is A: Challenge Handshake Authentication Protocol (CHAP). CHAP is the peer entity authentication method specifically designed for use with the Point-to-Point Protocol (PPP) to verify the identity of the connecting peer.
Submitted by jordan8· Mar 5, 2026Communication and Network Security
Question
Which of the following is a peor entity authentication method for Point-to-Point Protocol (PPP)?
Options
- AChallenge Handshake Authentication Protocol (CHAP)
- BMessage Authentication Code (MAC)
- CTransport Layer Security (TLS) handshake protocol
- DChallenge-response authentication mechanism
Explanation
CHAP is the peer entity authentication method specifically designed for use with the Point-to-Point Protocol (PPP) to verify the identity of the connecting peer.
Common mistakes.
- B. Message Authentication Code (MAC) is a cryptographic technique used to verify data integrity and authenticity of messages, not a peer entity authentication method for PPP.
- C. Transport Layer Security (TLS) handshake protocol operates at the transport layer to establish secure sessions for applications like HTTPS, and is not a PPP peer authentication method.
- D. Challenge-response authentication mechanism is a general authentication concept or category, not a specific PPP peer entity authentication protocol like CHAP is.
Concept tested. PPP peer entity authentication protocols
Topics
#PPP authentication#CHAP#Authentication protocols#Network authentication
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