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| Wi-Fi is a trademark used to generically refer to any type of wireless network based on the IEEE 802.11 standard. This includes a variety of networks, such as 802.11b, g or a, which are the popular forms of Wi-Fi; 802.11, the original standard; and 802.11n, a recent revision that adds a multiple input/output transceiver structure. |
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| The Wi-Fi trademark was created by an industry consortium known as the Wi-Fi Alliance, which is composed of leading wireless and equipment vendors. Its mission is to certify 802.11 products for interoperability, making sure that all Wi-Fi equipment is compatible. Only products that pass Wi-Fi alliance testing can be labeled as "Wi-Fi Certified" (a registered trademark). To date, more than 3,500 products have been certified. |
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| Savvy managers and IT professionals can make safe and effective use of 802.11 technology by fully understanding today's wireless environments, selecting the right solution for their organization and using the technology to their advantage. |
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| This How-to Guide covers basic Wi-Fi concepts and terminology and discusses the aspects of strong Wi-Fi security for mobile employees. The sections include: |
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Understand it: learn the differences between Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA), and put the pieces of the Wi-Fi puzzle together with information on topics like authentication and free Wi-Fi hotspots. |
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Plan it: understand the different security methodologies and technologies that are recommended including various, more secure forms of key exchange and encryption, more secure protocols, virtual private networks and authentication. |
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Do it: review how particular user needs map to proper wireless security solutions. |
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Use it: take a quick look at the current 802.11i standards and 802.11n multi-streaming opportunities, along with the best way to make your wireless local area network (WLAN) work for you. |
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Buy it: shop for wireless products and learn about support services. |
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Next: Understand it |
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Practical Wi-Fi security |
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