Top 50 Data Communication and Networking Frequently Asked MCQs

1. Choose the correct example of simplex communication:

2. …………………….is a seven-layer conceptual model based on networking technologies and services:

3. Who is given the title of “father of the Internet”:

4. In which layer of the OSI network model the hub works:

5. In networking a…………………….is a system designed to prevent unauthorized access to a network by filtering the packets:

6. ………………is the process of converting information into digital form so that the computer can understand this format:

7. The first early packet switching network was:

8. The purpose of domain name server (DNS) is:

9. Choose the correct option related to the default port of SMTP:

10. Choose the correct association of network type:

11. Choose the correct option related to the default port of HTTP:

12. The information is transmitted from one place to another through which of the following option:

13. ………………….is the lowest layer of the OSI conceptual network model.

14. The IPV6 is represented by how many bits:

15. In which layer of the OSI network model the router operates:

16. Logical subdivision of IP address into two parts one part represent host address and the other network address is known as:

17. Which multiplexing technique is used by the optical fibers to mix different wavelengths into a single light for transmission?

18. In ………………layer of the OSI model IP addresses are added during encapsulation:

19. In which layer of the OSI network model the bridge operates:

20. Which kind of transmission is involved between mouse and personal computer?

21. A……………..is uniquely identified by an IP address and a port number:

22. In the OSI conceptual model the routing is performed by the layer:

23. Choose the correct association between a technology and its network type:

24. ………………is a standard system of rules that enable a device to communicate over the network:

25. The lower three layers of the OSI model closely correspond to which standard:

26. Who developed the Open Systems Interconnection (OSI) model standard?

27. The first network who implemented the TCP/IP protocols was:

28. Choose the correct full form of HTTP:

29. A traditional TV transmitter which provides multiple channels through a single cable uses……………:

30. Choose the correct option related to default port of HTTPS:

31. Which of the following is required to establish a successful connection between two computers?

32. In which layer of the OSI network model the TCP and UDP operates:

33. In which layer of the OSI model hub is present?

34. Choose the correct option related to VPN:

35. In which layer of the OSI network model the repeater operates:

36. Choose the correct association between a device and its functionality:

37. Choose the full form of TCP/IP:

38. Which of the following expansion card is required to connect to a network?

39. Choose the correct example related to broadband communication channel:

40. Choose the correct example of half-duplex communication:

41. Which of the following transmission medium is more secure and fastest in term of data transfer?

42. In ………………layer of the TCP/IP model port addresses are defined:

43. Which of the following system is used to determine the exact location of an object on the earth?

44. ……………………..is the physical arrangement of devices connected to a local area network via cables:

45. In OSI model the dialogue control and token management is the responsibility of which layer:

46. The loss in signal strength as light travels long through the optical fiber is known as:

47. There are how many parts involved in HTTP request?

48. Choose the correct example of full-duplex communication:

49. Choose the correct equivalence between the TCP/IP layer and the OSI model layer:

50. Choose the correct association between a technology and its network type: