This Portion of Data Communication and Networking contains Data Communication and Networking Basics MCQs (Multiple Choice Questions Answers).

All the Multiple Choice Question and Answer (MCQs) have been compiled from the books of Data Communication and Networking by The well known author behrouz forouzan.

This Section covers below lists of topics.

  1. Data communications system MCQs.
  2. Simplex, half-duplex, or full-duplex MCQs.
  3. Topology MCQs.
  4. Local area network (LAN), Metropolitan-area network (MAN), Wide area network (WAN) MCQs.
  5. Internet service providers (ISPs) MCQs.

PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE

view hide answers

1. In _______ transmission, the channel capacity is shared by both communicating devices at all times

  • simplex
  • half-duplex
  • full-duplex
  • half-simplex

2. In the original ARPANET, _______ were directly connected together

  • IMPs
  • host computers
  • networks
  • routers

3. This was the first network.

  • CSNET
  • NSFNET
  • ANSNET
  • ARPANET

4. Which organization has authority over interstate and international commerce in the communications field?

  • ITU-T
  • IEEE
  • FCC
  • ISOC

5. _______ are special-interest groups that quickly test, evaluate, and standardize new technologies.

  • Forums
  • Regulatory agencies
  • Standards organizations
  • All of the above

6. Which agency developed standards for physical connection interfaces and electronic signaling specifications?

  • EIA
  • ITU-T
  • ANSI
  • ISO

7. ______ is the protocol suite for the current Internet.

  • TCP/IP
  • NCP
  • UNIX
  • ACM

8. ______ refers to the structure or format of the data, meaning the order in which they are presented.

  • Semantics
  • Syntax
  • Timing
  • All of the above

9. ________ defines how a particular pattern to be interpreted, and what action is to be taken based on that interpretation.

  • Semantics
  • Syntax
  • Timing
  • None of the above

10. _______ refers to two characteristics: when data should be sent and how fast it can be sent.

  • Semantics
  • Syntax
  • Timing
  • none of the above

11. Data flow between two devices can occur in a _______ way.

  • simplex
  • half-duplex
  • full-duplex
  • all of the above

12. In a ______ connection, two and only two devices are connected by a dedicated link.

  • multipoint
  • point-to-point
  • (a) and (b)
  • none of the above

13. In a ________ connection, three or more devices share a link.

  • multipoint
  • point-to-point
  • (a) and (b)
  • none of the above

14. ______ refers to the physical or logical arrangement of a network.

  • Data flow
  • Mode of operation
  • Topology
  • None of the above

15. Devices may be arranged in a _____ topology

  • mesh
  • ring
  • bus
  • all of the above

16. A _______ is a data communication system within a building, plant, or campus, or between nearby buildings.

  • MAN
  • LAN
  • WAN
  • none of the above

17. A ______ is a data communication system spanning states, countries, or the whole world.

  • MAN
  • LAN
  • WAN
  • none of the above

18. ________ is a collection of many separate networks.

  • A WAN
  • An internet
  • a LAN
  • None of the above

19. There are ______________ Internet service providers.

  • local
  • regional
  • national and international
  • all of the above

20. A ________ is a set of rules that governs data communication.

  • forum
  • protocol
  • standard
  • none of the above

21. The _______ is the physical path over which a message travels.

  • Protocol
  • Medium
  • Signal
  • All the above

22. The information to be communicated in a data communications system is the _______.

  • Medium
  • Protocol
  • Message
  • Transmission

23. Frequency of failure and network recovery time after a failure are measures of the _______ of a network.

  • Performance
  • Reliability
  • Security
  • Feasibility

24. An unauthorized user is a network _______ issue.

  • Performance
  • Reliability
  • Security
  • All the above

25. Which topology requires a central controller or hub?

  • Mesh
  • Star
  • Bus
  • Ring

26. Which topology requires a multipoint connection?

  • Mesh
  • Bus
  • Ring
  • Star

27. Communication between a computer and a keyboard involves ______________ transmission.

  • simplex
  • half-duplex
  • full-duplex
  • automatic

28. A television broadcast is an example of _______ transmission.

  • simplex
  • half-duplex
  • full-duplex
  • automatic
  • point-to-point
  • multipoint
  • primary
  • secondary

30. In a _______ connection, more than two devices can share a single link.

  • point-to-point
  • multipoint
  • primary
  • secondary
Share with : Share on Linkedin Share on Twitter Share on WhatsApp Share on Facebook