Data Communications and Networking Important Questions

1. What do you mean by Data Communication?

2. Name the components of Data Communication system?

3. Explain the five components of a data communication system.

4. What are the fundamental characteristics of data communication?

5. Define Serial Transmission.

6. What is parallel transmission?

7. Distinguish between serial and parallel transmission.

8. Write a detail note on Parallel and Serial Transmission.

9. Define Multiplexing.

10. What are the types of multiplexing?

11. Explain briefly any two types of Multiplexing.

12. Define Multiplexing.

13. What are the types of multiplexing?

14. What is TDM?

15. What are the two types TDM? Explain.

16. What is meant by FDM?

17. Define the term ‘Network’.

18. Explain the various classifications of Networks.

19. What are the goals of a network?

20. What is LAN?

21. Distinguish between LAN and WAN.

22. Compare LAN, WAN and MAN.

23. Define the term "network topology" and list various network topologies.

24. Explain about the network topologies.

25. Write a short note on Bus and Star Topology with a neat diagram.

26. Explain briefly Mesh and Star topology.

27. What do you mean by Ring Topology?

28. What are the disadvantages of mesh topology?

29. What are the various types of Data Flow?

30. Define Simplex.

31. Define Full-Duplex.

32. What is Half-duplex?

33. Define Transmission medium.

34. List the various guided media used for transmission.

35. Explain the various transmission media for data communication.

36. Explain briefly the coaxial cable.

37. Discuss in short Twisted-Pair cable.

38. What are the advantages and disadvantages of optical fiber?

39. Describe in detail, Unguided Media.

40. What is the use of Microwaves?

41. What are the layers of OSI model?

42. Explain the ISO OSI reference model.

43. What are the responsibilities of the data link layer?

44. List the major duties of the data link layer.

45. What is the function of Network Layer?

46. What are functions of applications layer?

47. What is TCP/IP?

48. What are the layers of TCP/IP?

 49. Discuss the layers of TCP/IP.

50. Name any two inter networking devices.

51. What is the function of MODEM?

52. Define repeaters?

53. What is the purpose of repeater?

54. Define Bridge.

55. What is the purpose of bridge?

56. Discuss about repeaters and routers.

57. What is a ROUTER?

58. What is a Gateway?

59. Describe the functions of gateways.

60. What is a protocol?

61. What are the types of errors?

62. Explain the different types of errors.

63. Name any three methods of error detection.

64. Write a note on error detection and correction.

65. What is meant by burst error?

66. Write a note on Single-Bit Error.