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MCQ

Q.

The _______criterion ensures that we cannot find two messages that hash to the same digest

A

one-wayness

B

weak-collision-resistance

C

strong-collision-resistance

D

none of the above

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MCQ

1.

A(n) ______ algorithm transforms ciphertext to plaintext

A

encryption

B

decryption

C

either (a) or (b)

D

neither (a) nor (b)

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2.

A hash function must meet ________ criteria.

A

two

B

three

C

four

D

none of the above

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3.

In _______, a claimant proves her identity to the verifier by using one of the three kinds of witnesses

A

message authentication

B

entity authentication

C

message confidentiality

D

message integrity

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4.

An ________ is a private network that uses the Internet model

A

intranet

B

internet

C

extranet

D

none of the above

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5.

________ DES was designed to increase the size of the DES key

A

Double

B

Triple

C

Quadruple

D

none of the above

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