非常经典的802.11无线局域网的教程。Asweallknowbynow,wirelessnetworksoffermanyadvantagesoverfixed(orwired)networks.Foremostonthatlistismobility,sincegoingwirelessfreesyoufromthetetherofanEthernetcableatadesk.Butthat'sjustthetipofthecable-freeiceberg.Wirelessnetworksar