Chapter 4 Wireless Technology
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Suggested Laboratory Activities
1. Set up an ad hoc network using a PC and a laptop.
2. Set up a two- or three-station wireless network using a Wireless Access
Point (WAP).
3. Research a particular brand of wireless network device and list the expected
transmission ranges and related speeds.
4. Transfer data between a laptop and a PC by using an infrared port.
5. Observe the effect of a variety of materials on a wireless network. For example,
separate two computers on the wireless network with a wooden wall, sheet
rock, metal door, or fi le cabinet. Note the effects on distance and data rate.
6. Observe the effect of a common electric drill being operated near the
wireless network, and then observe the effects of a cell phone or walkie-
talkie on the wireless network.
Interesting Web Sites for More Information
http://standards.ieee.org/getieee802/802.15.html
http://wi-fi .org
www.bluetooth.com/Bluetooth/Technology/Works/Compare
www.cwt.vt.edu
www.palowireless.com/ofdm/tutorials.asp
www.proxim.com
www.tech-faq.com
Network+
9. Which IEEE standard is used to describe how to achieve secure
authentication to a wireless network?
A. 802.3
B. 802.1x
C. 802.5b
D. 802.4a
10. Which wireless transmission technique is used to transmit data according
to the IEEE 802.11b standard?
A. DSSS
B. OFDM
C. Both DSSS and OFDM
D. Neither DSSS nor OFDM