Network communication MCQs part 1

Network MCQ Set 1

1. What is data communication?

2. How many basic components are there in a data communication system?

3. In which transmission mode does data flow in only one direction?

4. What is a protocol in networking?

5. How many layers are there in the OSI model?

6. Which is the lowest layer in the OSI model?

7. How many layers does the TCP/IP model have?

8. Which network type covers the smallest geographical area?

9. What type of signal is continuous and can take any value within a range?

10. Digital signals have which characteristic?

11. What is attenuation in data transmission?

12. Which is an example of guided transmission media?

13. Which transmission medium uses light for data transmission?

14. Which device operates at the Physical layer of the OSI model?

15. What does bandwidth refer to in networking?

16. Which transmission mode allows simultaneous bidirectional communication?

17. What is noise in the context of data transmission?

18. Which is the topmost layer in the OSI model?

19. Which network type typically covers a city or metropolitan area?

20. What is distortion in signal transmission?

21. Which is an example of unguided transmission media?

22. What is the unit of measurement for data rate?

23. What is the primary function of a repeater?

24. What is the main advantage of layered architecture in networking?

25. What is crosstalk in data transmission?

26. Which network type covers the largest geographical area?

27. Which OSI layer is responsible for routing?

28. What is the unit of frequency?

29. Which cable type has a central conductor surrounded by insulation and a metallic shield?

30. Which OSI layer provides end-to-end data delivery?

31. What does amplitude represent in a signal?

32. In half-duplex transmission mode:

33. Which type of electromagnetic wave is commonly used for satellite communication?

34. Which OSI layer handles error detection and correction?

35. What is the period of a signal?

36. Which network type has the smallest coverage area?

37. What causes thermal noise in transmission media?

38. Which OSI layer is responsible for data encryption and compression?

39. What is wavelength in the context of electromagnetic waves?

40. What does UTP stand for in networking?

41. Which OSI layer manages sessions between applications?

42. What characterizes impulse noise?

43. Which type of fiber optic cable is best for long-distance transmission?

44. What does network topology refer to?

45. What is jitter in data transmission?

46. What does STP stand for in cable terminology?

47. Which characteristic is true for infrared communication?

48. What is delay in the context of data transmission?

49. What is a characteristic of multi-mode fiber optic cable?

50. Which device operates at the Data Link layer?