Wireless Technologies Questions and Answers | Computers & IT MCQs

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1. Why wireless communication is used?
  1. It enables billions of people to connect to the Internet
  2. Lowers the cost of network infrastructure
  3. Makes services more inexpensive
  4. All of the mentioned

Answer: All of the mentioned

2. Which of the following is the drawback for cordless telephones?
  1. Security
  2. Wireless technology
  3. Limited coverage area
  4. Mobile

Answer: Limited coverage area

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3. Which modulation scheme is used by Bluetooth?
  1. GFSK
  2. DQPSK
  3. BPSK
  4. MSK

Answer: GFSK

4. What is the maximum distance with maximum data rate for 802.11a?
  1. About 65-75 feet
  2. About 90-100 feet
  3. About 150 feet
  4. Over 200 feet

Answer: About 65-75 feet

5. Which of the following leads to the 3G evolution of GSM, IS-136 and PDC systems?
  1. GPRS
  2. HSCSD
  3. W-CDMA
  4. EDGE

Answer: W-CDMA

6. What is the maximum data rate for the 802.11g standard?
  1. 6Mbps
  2. 11Mbps
  3. 22Mbps
  4. 54Mbps

Answer: 54Mbps

7. Which of the following is a CDMA standard of second generation network?
  1. ETACS
  2. EDGE
  3. IS-95
  4. IS-136

Answer: IS-95

8. The communication speed of WIFI is up to ________?
  1. 11 Mbps
  2. 1 Mbps
  3. 250 Mbps
  4. None of the above

Answer: 11 Mbps

9. What is the standard form of RPCU?
  1. Radio Port Common Unit
  2. Radio Part Control Unit
  3. Radio Port Control Unit
  4. None of the above

Answer: Radio Port Control Unit

10. The communication distance of Bluetooth is up to _______?
  1. 10 meters
  2. 100 decilitres
  3. 100 dekalitres
  4. 100 hectolitres

Answer: 10 meters

11. The communication speed of ZigBee is up to ________?
  1. 11 Mbps
  2. 1 Mbps
  3. 250 Mbps
  4. None of the above

Answer: 250 Mbps

12. Which of the following is a universally adopted shape of cell?
  1. Hexagon
  2. Square
  3. Circle
  4. Triangle

Answer: Hexagon

13. What is the maximum distance running the lowest data rate for 802.11b?
  1. About 100 feet
  2. About 175 feet
  3. About 300 feet
  4. About 350 feet

Answer: About 350 feet

14. The wireless LAN is an application of ______ wireless system?
  1. Bluetooth
  2. Zigbee
  3. WIFI
  4. None of the above

Answer: WIFI

15. The instrumentation control is an application of ______ wireless system?
  1. Bluetooth
  2. Zigbee
  3. WIFI
  4. None of the above

Answer: Zigbee

16. Which two channels are responsible for initiating mobile calls?
  1. FCC and RVC
  2. FVC and FCC
  3. FVC and RVC
  4. FCC and RCC

Answer: FCC and RCC

17. Which of the following is associated with the handoff in first generation analog cellular systems?
  1. Breathing cell
  2. Locator receiver
  3. MAHO
  4. Cell dragging

Answer: Locator receiver

18. You have a Cisco mesh network. What protocol allows multiple APs to connect with many redundant connections between nodes?
  1. LWAPP
  2. AWPP
  3. STP
  4. IEEE

Answer: AWPP

19. The communication distance of WIFI is up to _______?
  1. 100 meters
  2. 100 decilitres
  3. 100 dekalitres
  4. 100 hectolitres

Answer: 100 meters

20. What is the functionality of cordless phone service?
  1. Transceiver
  2. Transmitter
  3. Receiver
  4. None of the above

Answer: Transceiver

21. What is the functionality of tv remote control service?
  1. Transceiver
  2. Transmitter
  3. Receiver
  4. None of the above

Answer: Transmitter

22. What is the standard form of ETACS?
  1. European Total Access Communication System
  2. European Total Access Communication Signal
  3. European Total Access Communication Speed
  4. None of the above

Answer: European Total Access Communication System

23. Which of the following is not a TDMA standard of 2.5G network?
  1. GPRS
  2. GSM
  3. HSCSD
  4. EDGE

Answer: GSM

24. Which of the following specifies a set of media access control (MAC) and physical layer specifications for implementing WLANs?
  1. IEEE 802.11
  2. IEEE 802.16
  3. IEEE 802.15
  4. IEEE 802.3

Answer: IEEE 802.11

25. What is the frequency range of the IEEE 802.11b standard?
  1. 2.4Gbps
  2. 5Gbps
  3. 2.4GHz
  4. 5GHz

Answer: 2.4GHz

26. The wireless sound is an application of ______ wireless system?
  1. Bluetooth
  2. Zigbee
  3. WIFI
  4. None of the above

Answer: Bluetooth

27. What is the standard form of ESS?
  1. Extended Simple Service
  2. Extended Set Service
  3. Extended Service Set
  4. None of the above

Answer: Extended Service Set

28. Which of the following is a type of wireless communication?
  1. LAN
  2. WAN
  3. PAN
  4. All of the mentioned

Answer: All of the mentioned

29. Which type of transmission technique is employed by paging system?
  1. Multicasting
  2. Unicasting
  3. Hybrid
  4. Simulcasting

Answer: Simulcasting

30. What is the maximum distance with maximum data rate for 802.11b?
  1. About 65-75 feet
  2. About 90-100 feet
  3. About 150 feet
  4. Over 200 feet

Answer: About 150 feet

31. What is the standard from of VLC?
  1. Visible Light Communication
  2. Vision Light Communication
  3. Visible Line Communication
  4. None of the above

Answer: Visible Light Communication

32. In which year the third-generation cell network technology was introduced?
  1. 1993
  2. 2001
  3. 2009
  4. 2018

Answer: 2001

33. Space diversity s also known as ________
  1. Frequency diversity
  2. Antenna diversity
  3. Polarization diversity
  4. Time diversity

Answer: Antenna diversity

34. What are the characteristics of wireless communication system?
  1. Mobility
  2. Reachability
  3. Simplicity
  4. All of the above

Answer: All of the above

35. What is the functionality of paging system service?
  1. Transceiver
  2. Transmitter
  3. Receiver
  4. None of the above

Answer: Receiver

36. _______ is a transmission method used in MIMO wireless communications to transmit encoded data signals independently.
  1. MU-MIMO
  2. STTD
  3. SM
  4. Collaborative Uplink MIMO

Answer: SM

37. What is the frequency range of the IEEE 802.11a standard?
  1. 2.4Gbps
  2. 5Gbps
  3. 2.4GHz
  4. 5GHz

Answer: 5GHz

38. What is the standard form of NMTS?
  1. Nordic Mobile phone System
  2. Nordic Mobile phone Speed
  3. Nordic Mobile phone Signal
  4. None of the above

Answer: Nordic Mobile phone System

39. What is the functionality of garage door opener?
  1. Transceiver
  2. Transmitter
  3. Receiver
  4. None of the above

Answer: Transmitter

40. MIMO was initially developed in the year __________
  1. 1970
  2. 1990
  3. 1960
  4. 1985

Answer: 1990

41. How many ways are there to setup a wireless network?
  1. One
  2. Two
  3. Three
  4. Four

Answer: Three

42. The communication distance of ZigBee is up to _______?
  1. 50-500 meters
  2. 100 dekalitres
  3. 100 decilitres
  4. 100 hectolitres

Answer: 50-500 meters

43. What is wireless communication?
  1. Sending data from one location to with the use of physical medium
  2. Sending data from one location to another without the use of physical medium
  3. Sending data from one location to another without the use of virtual medium
  4. None of the mentioned

Answer: Sending data from one location to another without the use of physical medium

44. Which of the following has no backward compatibility with 3G Cdma2000?
  1. IS-95B
  2. IS-95A
  3. IS-95
  4. GPRS

Answer: GPRS

45. What is the standard form of TACS?
  1. Total Access Communication System
  2. Total Access Communication Signal
  3. Total Access Communication Speed
  4. None of the above

Answer: Total Access Communication System

46. The paging's are categorized into _______ types?
  1. One
  2. Two
  3. Three
  4. Four

Answer: Two

47. The power control frequency of wideband CDMA is ________________?
  1. 1500 Hz
  2. 2 Hz
  3. 1800 Hz
  4. None of the above

Answer: 1500 Hz

48. Which one of the following wireless systems have 1 Mbps communication speed?
  1. Bluetooth
  2. Zigbee
  3. WIFI
  4. None of the above

Answer: Bluetooth

49. The communication speed of Bluetooth is up to ________?
  1. 11 Mbps
  2. 1 Mbps
  3. 250 Mbps
  4. None of the above

Answer: 1 Mbps

50. Which of the following is not an example of wireless communication?
  1. Wi-Fi
  2. Mobiles
  3. Landline
  4. Wireless Computer Parts

Answer: Landline

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