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Table Of Contents  CertiGuide to Security+
 9  Chapter 2:  Communication Security (Domain 2.0; 20%)
      9  2.6  Wireless
           9  2.6.4  Vulnerabilities

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 Shielding issues
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Interception and Antenna Placement

Attempt to place antennas as far from exterior walls as possible. Typically the interface between the wired network and the transceiver is placed in a corner in an effort to hide the electronics. That places the network signal outside and easy to intercept. In effect, you have put an Ethernet jack for your network in the parking lot. Besides controlling power output and antenna placement and configuration, consider shielding, the next topic.

Wireless Configuration

As pointed out in the main text body, antennas make a HUGE difference in how your wireless network performs in all aspects. What you may not realize is that authors doing research learn a great deal about how a company performs customer service. A huge tip of the hat goes to Sharon Cantor and Hyperlink Technologies247, Inc. for kindly supplying photographs of antennas.


Figure 24: Wireless antenna HG2408p looks like a smoke detector!
Photograph © 2002 Hyperlink Technologies; used with permission

 

Figure 25: Wireless antenna HG2409p looks like a interior security sensor.
Photograph © 2002 Hyperlink Technologies; used with permission

 

 __________________

247. http://www.hyperlinktech.com

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