Question

11. WLANs use high power levels and generally require a license for
spectrum use.
a) True
b) False
12. What is the name of 300 MHz of unlicensed spectrum allocated by FCC
in ISM band?
a) UNII
b) Unlicensed PCS
c) Millimetre wave
d) Bluetooth
13Which of the following specifies a set of media access control (MAC) and
physical layer specifications for implementing WLANs?
a) IEEE 802.16
b) IEEE 802.3
c) IEEE 802.11
d) IEEE 802.15
14. Which of the following is not a standard of WLAN?
a) HIPER-LAN
b) HIPERLAN/2
c) IEEE 802.11b
d) AMPS
15. Which of the following is the 802.11 High Rate Standard?
a) IEEE 802.15
b) IEEE 802.15.4
c) IEEE 802.11g
d) IEEE 802.11b
16. Which of the following spread spectrum techniques were used in the
original IEEE 802.11 standard?
a) FHSS and DSSS
b) THSS and FHSS
c) THSS and DSSS
d) Hybrid technique
17. Which of the following WLAN standard has been named Wi-Fi?
a) IEEE 802.6
b) IEEE 802.15.4
c) DSSS IEEE 802.11b
d) IEEE 802.11g
18. Which of the following is developing CCK-OFDM?
a) IEEE 802.11a
b) IEEE 802.11b
c) IEEE 802.15.4
d) IEEE 802.11g
19. What is the data rate of HomeRF 2.0?
a) 10 Mbps
b) 54 Mbps
c) 200 Mbps
d) 1 Mbps
20. HIPER-LAN stands for ____________
a) High Precision Radio Local Area Network
b) High Performance Radio Local Area Network
c) High Precision Radio Land Area Network
d) Huge Performance Radio Link Access Node
21. What is the range of asynchronous user data rates provided by HIPERLAN?
a) 1-100 Mbps
b) 50-100 Mbps
c) 1-20 Mbps
d) 500 Mbps to 1 Gbps
22. What is the name of the European WLAN standard that provides user
data rate upto 54 Mbps?
a) UNII
b) WISP
c) MMAC
d) HIPERLAN/2
23. What is WISP?
a) Wideband Internet Service Protocol
b) Wireless Internet Service Provider
c) Wireless Instantaneous Source Provider
d) Wideband Internet Source Protocol
24. The price of WLAN hardware is more than 3G telephones and fixed
wireless equipment.
a) True
b) False
25. The wavelength of the low-frequency transmission type is about
__________
33-10km
10-1km
1000-100m
100-10m
26. The throughput of the IEEE standard 802.11b is ___________
≤11Mbps
≤64Mbps
≤74Mbps
None of the above
27. The frequency range of WI-FI is around __________
2.4 GHz and 5GHz
2.9 GHz and 5GHz
3.4 GHz and 5GHz
4.4 GHz and 5GHz
28. WI-FI provides support to ___________
Limited number of users
Large number of users compared to Bluetooth
29. The range of the WI-FI is around ___________
50 meters
60 meters
70 meters
80 meters
30 The bandwidth and power consumption of WIFI is high compared to
Bluetooth is it true?
True
False

Answer 1

11. b) False

12. a) UNII

13. c) IEEE 802.11

14. d) AMPS

15. d) IEEE 802.11b

16. a) FHSS and DSSS

17. c) DSSS IEEE 802.11b

18. d) IEEE 802.11g

19. a) 10 Mbps

20. b) High Performance Radio Local Area Network

21. c) 1-20 Mbps

22. d) HIPERLAN/2

23. b) Wireless Internet Service Provider

24. b) False

25. 10-1 km

26. ≤11 Mbps

27. 2.4 GHz and 5 GHz

28. Large number of users compared to Bluetooth

29. 50 meters

30. True