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Q.

A combination of an encryption algorithm and a decryption algorithm is called a ________.

A

cipher

B

secret

C

key

D

none of the above

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MCQ

1.

In ________ authentication, the claimant proves that she knows a secret without actually sending it

A

password-based

B

challenge-response

C

either (a) or (b)

D

neither (a) nor (b)

Discussion

MCQ

2.

. IPSec uses a set of SAs called the ________

A

SAD

B

SAB

C

SADB

D

none of the above

Discussion

MCQ

3.

The ________ criterion ensures that a message cannot easily be forged.

A

one-wayness

B

weak-collision-resistance

C

strong-collision-resistance

D

none of the above

Discussion

MCQ

4.

A digital signature needs a(n)_________ system

A

symmetric-key

B

asymmetric-key

C

either (a) or (b)

D

neither (a) nor (b)

Discussion

MCQ

5.

_______ is a round cipher based on the Rijndael algorithm that uses a 128-bit block of data

A

AEE

B

AED

C

AER

D

AES

Discussion

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