Q. Challenge-response authentication can be done using ________.
✅ Correct Answer: (D)
all of the above
Data Communication and Networking MCQs and Notes
Q. A hash function must meet ________ criteria.
✅ Correct Answer: (B)
three
Q. A(n) ________function creates a message digest out of a message.
✅ Correct Answer: (C)
hash
Q. A(n) _________ can be used to preserve the integrity of a document or a message.
✅ Correct Answer: (A)
message digest
Q. ________ means to prove the identity of the entity that tries to access the system's resources.
✅ Correct Answer: (B)
Entity authentication
Q. _________ means that a sender must not be able to deny sending a message that he sent.
✅ Correct Answer: (D)
Non-repudiation
Q. Message _______ means that the receiver is ensured that the message is coming from the intended sender, not an imposter.
✅ Correct Answer: (C)
authentication
Q. Which of the following does UDP guarantee?
✅ Correct Answer: (D)
none of the above
Q. A port address in UDP is _______bits long.
✅ Correct Answer: (B)
16
Q. UDP needs the _______ address to deliver the user datagram to the correct application process.
✅ Correct Answer: (A)
port