Top 50 Data Communication and Networking Frequently Asked MCQs

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

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

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

4. Choose the full form of TCP/IP:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

26. Choose the correct full form of HTTP:

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

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

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

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

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

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

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

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

35. The IPV6 is represented by how many bits:

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

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

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

39. The first early packet switching network was:

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

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

42. Choose the correct association of network type:

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

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

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

46. Choose the correct example of simplex communication:

47. Choose the correct option related to VPN:

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

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

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