23 : Wireless Technologies and Communication

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1).
Which of these IEEE standards represent wireless local area network?
2).
Which of these is not an unguided mode of transmission?
3).
Which of these waves is most commonly used by wireless mouse to communicate?
4).
What is the full form of Wi-Fi?
5).
Which of the following devices can help to extend the range of a wireless router?
6).
Which of the following hardware device is essential for a computer to connect to a wireless network?
7).
Which of the following network protocol are described by GSM?
8).
What is the full form of GSM?
9).
What do we call the process of transferring a mobile station from one base station to another?
10).
UMTS is a standard for which of the following networks?
11).
Which of the following techniques is used by UMTS?
12).
What is the maximum data transfer speed offered by Bluetooth 4.0?
13).
Which of the following radio signals are used by 1G networks?
14).
Which of the following is a standard for 1G network?
15).
What do we call the handoff in which there is a break in the connection on the cellular network?
16).
What is the maximum download speed offered under LTE-Advanced standard?
17).
Where does the bending of EM waves occurs in the atmosphere?
18).
Which of these factors affect the line of sight communication?
19).
What should be the minimum antenna size for a signal with the wavelength λ ((in metre) ?
20).
Which of the following IEEE standards ZIGBEE is based on?
1. Which of these IEEE standards represent wireless local area network?
[A] 802.3
[B] 802.11
[C] 802.7
[D] 802.9
2. Which of these is not an unguided mode of transmission?
[A] Infrared
[B] Radiowaves
[C] Optical Fiber
[D] Microwaves
3. Which of these waves is most commonly used by wireless mouse to communicate?
[A] Infrared
[B] Microwaves
[C] Radio waves
[D] None of the above
4. What is the full form of Wi-Fi?
[A] Wireless Fidelity
[B] Wireless Find
[C] Wireless Function
[D] Wireless Fiber
5. Which of the following devices can help to extend the range of a wireless router?
[A] Wireless repeater
[B] Wireless adapter
[C] Wimax
[D] Network interface card
6. Which of the following hardware device is essential for a computer to connect to a wireless network?
[A] Graphics card
[B] Wireless Printer
[C] Wireless adapter
[D] None of the above
7. Which of the following network protocol are described by GSM?
[A] 2G
[B] 3G
[C] 4G
[D] 5G
8. What is the full form of GSM?
[A] Geographic System for Mobile
[B] Great System of Mobile
[C] Geographic Special Mobile
[D] Global System for Mobile
9. What do we call the process of transferring a mobile station from one base station to another?
[A] Looping
[B] Hand off
[C] Forwarding
[D] Channeling
10. UMTS is a standard for which of the following networks?
[A] 2G
[B] 3G
[C] 4G
[D] 5G
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