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MCQ

Q.

_______ means to prove the identity of the entity that tries to access the system's resources.

A

Message authentication

B

Entity authentication

C

Message confidentiality

D

none of the above

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MCQ

1.

A digital signature needs a(n)_________ system

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symmetric-key

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asymmetric-key

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either (a) or (b)

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One commonly used public-key cryptography method is the ______ algorithm

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none of the above

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Message_____ means that the data must arrive at the receiver exactly as sent

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integrity

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authentication

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none of the above

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