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Computer Networks: Wireless LANs MCQs
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Computer Networks: Wireless LANs MCQs
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25 Questions

1. The contention free end frame is used to allow the contentionbased stations to use the
2. The field retry means retransmitting frame when its value is set to
3. The 4-bit type subfield of baseband layer frame defines the type of data coming from the
4. DCF stands for
5. The bandwidth of Bluetooth devices are
6. A set that makes stationary or mobile wireless station and also have optional central base station is known as
7. A basic service set without an access point is a standalone network called
8. The addressing mechanism of the Bluetooth can include up to
9. Bluetooth allows the station to define a quality of
10. Access Code of Bluetooth frame is of
11. The common data rates of IEEE 802.11 OFDM are
12. Multiple piconets form a network called a
13. Orthogonal Frequency Division Multiplexing (OFDM) is similar to
14. The access method used in the point coordination function (PCF) MAC sub layer is
15. The frames that are used for the initial communication between stations and access points are called
16. A Frame in the baseband layer can be of
17. When we divide the band of Orthogonal Frequency Division Multiplexing (OFDM) into sub bands, it diminishes the effects of
18. Bluetooth technology was originally started as a project by the
19. The duration field D of Media Access Control layer frame contains
20. In IEEE 802.11 frames, To DS and from DS define the value of the two flags in the
21. Each channel in Bluetooth layer is of
22. In collision during handshaking, sender assumes that the collision in frames, is because it has not received a
23. BSS stands for
24. When piconet networks are combined, then it forms a
25. The exact range of Bluetooth devices are