Compléter ITS501- class 4-activity 4Version en ligne Wireless Lan's par ghazwa moukaddem 1 install frequency lasers servers cables infrared connect WiFi unauthorized beneficial interoperability Wireless SSI Wireless LANs More and more networks are operating without , in the wireless mode . LANs use high radio signals , light beams , or to communicate between the workstations , , or hubs . Wireless networks are great for allowing laptop computers , portable devices , or remote computers to to the LAN . Wireless networks are also in older buildings where it may be difficult or impossible to cables Wireless standards and speeds : The Wi - Fi Alliance is a global , non - profit organization that helps to ensure standards and for wireless networks , and wireless networks are often referred to as ( Wireless Fidelity ) . Three basic techniques are used to protect networks from wireless use . Use any and all of these techniques when setting up your wireless access points : Encryption Isolation Hidden
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