Chapter 1

1:

What is a distinguishing attribute of a wireless network as compared to a general wireless communication system?

A1:

Answer: In a wireless network, communications takes place between computer devices.

2:

What types of information does a wireless network support?

A2:

Answer: E-mails, messages, web pages, database records, streaming video, and voice.

3:

What are the four types of wireless networks?

A3:

Answer: Wireless PAN, LAN, MAN, and WAN.

4:

What is the typical maximum range of a wireless PAN?

A4:

Answer: 50 feet.

5:

True or false: A wireless PAN consumes little power from small handheld computer devices.

A5:

Answer: True.

6:

What is a common standard for wireless LANs?

A6:

Answer: IEEE 802.11 or Wi-Fi.

7:

What relatively new standard applies to wireless MANs?

A7:

Answer: IEEE 802.16.

8:

Why do wireless WANs not effectively satisfy requirements for indoor wireless networks?

A8:

Answer: Wireless WAN systems are generally installed outdoors, and the signals lose strength before reaching the inside of the facility.

9:

What is a common application of wireless networks in homes and small offices?

A9:

Answer: Sharing Internet connections among multiple, mobile computers is a common application.

10:

What are examples of applications for wireless WANs?

A10:

Answer: Access to Internet applications from outdoor locations, realestate transactions, field-service and sales calls, vending-machine status, and utility-meter reading are a few examples.



     
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