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MCQ

Q.

. Challenge-response authentication can be done using ________

A

symmetric-key ciphers

B

asymmetric-key ciphers

C

keyed-hash functions

D

all of the above

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MCQ

1.

. To authenticate the data origin, one needs a(n) _______.

A

MDC

B

MAC

C

either (a) or (b)

D

neither (a) nor (b)

Discussion

MCQ

2.

_______ 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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3.

Message _______ means that the receiver is ensured that the message is coming from the intended sender, not an imposter

A

confidentiality

B

integrity

C

authentication

D

none of the above

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4.

A(n) ________function creates a message digest out of a message.

A

encryption

B

decryption

C

hash

D

none of the above

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5.

______ is the protocol designed to create security associations, both inbound and outbound.

A

SA

B

CA

C

KDC

D

IKE

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