Wireless Communication – Radio, TV, WiFi, Bluetooth MCQs

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1. : Which frequency band is used for Bluetooth communication?



 

2. : What does WiFi stand for?



 

3. : Which modulation is commonly used in FM radio broadcasting?



 

4. : What is the typical range of a Bluetooth device?



 

5. : Which wireless communication standard is defined by IEEE 802.11?



 

6. : What type of wave is used in TV broadcasting?


 

7. : Which of the following is not a characteristic of Bluetooth?



 

8. : What does the term “Hotspot” refer to in wireless communication?



 

9. : Which one of these technologies supports mesh networking?



 

10. : Which layer of the OSI model does Bluetooth operate on?



 

11. : What is the maximum theoretical speed of WiFi 6 (802.11ax)?



 

12. : What is the full form of RFID?



 

13. : Which of the following devices typically uses Bluetooth?



 

14. : What type of antenna is typically used in radio broadcasting?



 

15. : What does NFC stand for in wireless communication?



 

16. : What frequency band is used in FM broadcasting?



 

17. : Which of the following is NOT a component of a television system?



 

18. : The first public demonstration of TV was made by:



 

19. : WiFi Direct allows devices to:



 

20. : Which wireless standard is used for long-range rural internet access?



 

21. : In radio communication, what is the function of a modulator?



 

22. : Bluetooth is categorized under which type of network?



 

23. : What is the typical frequency range of UHF used in television broadcasting?



 

24. : What is the function of a router in a wireless network?



 

25. : Which device is used to convert radio signals into audio?



 

26. : Infrared communication is typically used in:



 

27. : Bluetooth uses which type of multiplexing technique?



 

28. : Which IEEE standard is used for Bluetooth technology?



 

29. : What is the purpose of encryption in wireless communication?



 

30. : The WiFi signal can be interrupted by:



 

31. : Which technology allows streaming audio from a smartphone to a car stereo?



 

32. : What does the term “bandwidth” refer to in wireless communication?



 

33. : Which of the following is not a wireless communication medium?



 

34. : Which modulation technique is used in digital TV broadcasting?



 

35. : The main difference between WiFi 4 and WiFi 6 is:



 

36. : Which frequency band is not license-free for public use?



 

37. : What does the term “SSID” refer to in WiFi networks?



 

38. : Zigbee is mainly used for:



 

39. : The “pairing” process in Bluetooth involves:



 

40. : What is the use of the MAC address in wireless networking?



 

41. : The range of WiFi indoors is typically:



 

42. : A repeater in a wireless network is used to:



 

43. : What type of waves are used in satellite TV transmission?



 

44. : Which of the following is used to detect Bluetooth-enabled devices nearby?



 

45. : WiFi works on which layers of the OSI model?



 

46. : What is the term for unauthorized access to a wireless network?



 

47. : What does a smart TV use to access the internet wirelessly?



 

48. : Which wireless tech is primarily used for wearable health trackers?



 

49. : Bluetooth operates using which protocol?



 

50. : Which generation of mobile networks first supported video calling?



 

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