A(n) _____ is a trusted third party that assigns a symmetric key to two parties.
KDC
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CA
KDD
None of the Option is Correct
Tag: Data Communication MCQs
A port address in UDP is _______bits long.
A port address in UDP is _______bits long.
16
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8
32
None of the Option is Correct
Message _______ means that the receiver is ensured that the message is coming from theintended sender, not an imposter.
Message _______ means that the receiver is ensured that the message is coming from theintended sender, not an imposter.
authentication
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integrity
confidentiality
None of the Option is Correct
________ means that a sender must not be able to deny sending a message that he sent.
________ means that a sender must not be able to deny sending a message that he sent.
Non-repudiation
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Authentication
Integrity
Confidentiality
________ means to prove the identity of the entity that tries to access the system’sresources.
________ means to prove the identity of the entity that tries to access the system’sresources.
Entity authentication
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Message authentication
Message confidentiality
None of the Option is Correct
A(n) _________ can be used to preserve the integrity of a document or a message.
A(n) _________ can be used to preserve the integrity of a document or a message.
message digest
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message summary
encrypted message
None of the Option is Correct
In the sending computer, UDP receives a data unit from the _______ layer.
In the sending computer, UDP receives a data unit from the _______ layer.
application
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transport
IP
None of the Option is Correct
In the sending computer, UDP sends a data unit to the _______ layer.
In the sending computer, UDP sends a data unit to the _______ layer.
IP
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transport
application
None of the Option is Correct
UDP and TCP are both _______ layer protocols.
UDP and TCP are both _______ layer protocols.
transport
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network
data link
None of the Option is Correct
Which of the following functions does UDP perform?
Which of the following functions does UDP perform?
process-to-process communication
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host-to-host communication
end-to-end reliable data delivery
None of the Option is Correct