CHAP stands for
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Carrier Handshake Availability Protocol
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ChallengeHandover Authentication Protocol
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canonical Handshake Availability Protocol
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Challnge Handshake Authentication Protocol
CHAP (Challenge Handshake Authentication Protocol) is a network authentication protocol that uses a three-way handshake to verify a user's identity without transmitting their password directly. The server sends a random challenge, the client responds with a hash of the challenge combined with their password, and the server verifies this hash. Options A and C are incorrect because CHAP is not about availability or using 'canonical'. Option B incorrectly uses 'Handover' instead of 'Handshake'.
To answer this question, let's go through each option to understand why it is correct or incorrect:
Option A) Carrier Handshake Availability Protocol - This option is incorrect because "CHAP" does not stand for "Carrier Handshake Availability Protocol".
Option B) ChallengeHandover Authentication Protocol - This option is incorrect because "CHAP" does not stand for "ChallengeHandover Authentication Protocol".
Option C) canonical Handshake Availability Protocol - This option is incorrect because "CHAP" does not stand for "canonical Handshake Availability Protocol".
Option D) Challnge Handshake Authentication Protocol - This option is correct. "CHAP" stands for "Challenge Handshake Authentication Protocol". CHAP is a protocol used for authenticating a user or device on a network.
The correct answer is D) Challnge Handshake Authentication Protocol.