Chapter 4

1:

What form factors are common for wireless PAN radio cards?

A1:

Answer: PC Card and CF.

2:

What application can strongly benefit through the use of a wireless USB adapter (also referred to as a wireless dongle)?

A2:

Answer: Any application that can benefit from interfacing with a PC or laptop through the USB port, such as PDA, wireless mouse, and wireless digital camera for synchronization purposes.

3:

When would the use of a wireless PAN router make sense?

A3:

Answer: For applications limited to the size of a room, such as in homes and small offices.

4:

What is the general maximum coverage area of a wireless PAN?

A4:

Answer: Within 30 feet, such as within a room.

5:

Which IEEE standards group uses Bluetooth as the basis for the standard?

A5:

Answer: 802.15.

6:

In what frequency band does Bluetooth operate?

A6:

Answer: 2.4 GHz.

7:

What is the primary issue of using Bluetooth around 802.11 wireless LANs?

A7:

Answer: They both operate in the same 2.4 GHz frequency band, which can result in interference and degradation in performance.

8:

A Bluetooth-enabled device is always transmitting. True or false?

A8:

Answer: False.

9:

What is the highest possible data rate of an IrDA device?

A9:

Answer: 4 Mbps.

10:

What is a benefit of IrDA as compared to Bluetooth?

A10:

Answer: IrDA is immune from RF interference with wireless LANs.



     
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