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Q.

The _______ mode is normally used when we need host-to-host (end-to-end) protection of data

A

transport

B

tunnel

C

either (a) or (b)

D

neither (a) nor (b)

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MCQ

1.

ECB and CBC are ________ ciphers

A

block

B

stream

C

field

D

none of the above

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__________ is a popular session key creator protocol that requires an authentication server and a ticket-granting server.

A

KDC

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Kerberos

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CA

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none of the above

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3.

IPSec in the ______ mode does not protect the IP header.

A

transport

B

tunnel

C

either (a) or (b)

D

neither (a) nor (b)

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

A

cipher

B

secret

C

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D

none of the above

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5.

A digital signature needs a(n)_________ system

A

symmetric-key

B

asymmetric-key

C

either (a) or (b)

D

neither (a) nor (b)

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