WiFi

WiFi is popular term for high- frequency wireless local area use network(WLAN) technology and standard  that has gained acceptance in many companies       as  an alternative to wired LAN contained .WiFi a term for certain types of wireless local area network (WLAN)that use specifications in the 80211 family .products that pass the WiFi Alliance tests for interoperability security and application -specific protocols  are labeled WiFi CERTIFIED a registered tademark of the Alliance.  originally WiFi certification was applicable any to products using the  80211 standard the specifications are part of an evolving   set of wireless network  standards know as the 80211 family  the particular specification under  which a WiFi  network operates is called the (flavor) of the network WiFi widely used  in businesses agencies ,schools  and homes  as an alternative to wired (AN-many airports hots and fast-food facilities often public access to WiFi networks these location are know as hot spots many charge a daily  or hourly rate for access but some free an interconnected  area of hot spots and network access point  is know as a hat zone.

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