Top 150+ Solved Data Communication and Networking MCQ Questions Answer
Q. Which of the following does UDP guarantee?
a. flow control
b. connection-oriented delivery
c. flow control
d. none of the above
Q. Message _______ means that the receiver is ensured that the message is coming from theintended sender, not an imposter.
a. confidentiality
b. integrity
c. authentication
d. none of the above
Q. _________ means that a sender must not be able to deny sending a message that he sent.
a. Confidentiality
b. Integrity
c. Authentication
d. Non-repudiation
Q. ________ means to prove the identity of the entity that tries to access the system'sresources.
a. Message authentication
b. Entity authentication
c. Message confidentiality
d. none of the above
Q. A(n) _________ can be used to preserve the integrity of a document or a message.
a. message digest
b. message summary
c. encrypted message
d. none of the above
Q. A(n) ________function creates a message digest out of a message.
a. encryption
b. decryption
c. hash
d. none of the above
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
Q. A(n) _____ is a trusted third party that assigns a symmetric key to two parties.
a. KDC
b. CA
c. KDD
d. none of the above
Q. The _____________ translates internet domain and host names to IP address.
a. domain name system
b. routing information protocol
c. network time protocol
d. internet relay chat
Q. Application layer protocol defines
a. types of messages exchanged
b. message format, syntax and semantics
c. rules for when and how processes send and respond to messages
d. all of the above
Q. Which one of the following protocol delivers/stores mail to reciever server?
a. simple mail transfer protocol
b. post office protocol
c. internet mail access protocol
d. hypertext transfer protocol
Q. Which one of the following is an internet standard protocol for managing devices on IPnetwork?
a. dynamic host configuration protocol
b. simple network management protocol
c. internet message access protocol
d. media gateway protocol
Q. User datagram protocol is called connectionless because
a. all UDP packets are treated independently by transport layer
b. it sends data as a stream of related packets
c. both (a) and (b)
d. none of the above