________ is a way to guarantee that the sender of a message cannot later deny having sent the message, and that the recipient cannot deny having received the message.

A. Confidentiality
B. Integrity
C. Authenticity
D. Non-repudiation


Answer: D. Non-repudiation

Computer Science & Information Technology

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Indicate whether the statement is true or false

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A. ordered B. ?numbered C. ?specific D. ?unordered

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Which of the following is not a responsibility of the database management system?

A. provide an interface between the users and the physical database B. provide security against a natural disaster C. ensure that the internal schema and external schema are consistent D. authorize access to portions of the database

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Which of the following does a laptop have, yet a tablet does not?

A. Mouse B. Display C. Keyboard D. Wireless network adapter

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