CISSP-ISSMP Question #2: Real Exam Question with Answer & Explanation

The correct answer is A: Non-repudiation. Non-repudiation is a mechanism which proves that the sender really sent a message. It provides an evidence of the identity of the senderand message integrity. It also prevents a person from denying the submission or delivery of the message and the integrity of its contents. Answe

Foundational Security Concepts

Question

Which of the following terms refers to a mechanism which proves that the sender really sent a particular message?

Options

ANon-repudiation
BConfidentiality
CAuthentication
DIntegrity

Explanation

Non-repudiation is a mechanism which proves that the sender really sent a message. It provides an evidence of the identity of the senderand message integrity. It also prevents a person from denying the submission or delivery of the message and the integrity of its contents. Answer option C is incorrect. Authentication is a process of verifying the identity of a person or network host. Answer option B is incorrect. Confidentiality ensures that no one can read a message except the intended receiver. Answer option D is incorrect. Integrity assures the receiver that the received message has not been altered in any way from the original.

Topics

#Non-repudiation#Security principles#Information security concepts

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