Wi-Fi (play /ˈwaɪfaɪ/), Wifi or WiFi, is a apparatus that allows cyberbanking accessories to barter abstracts wirelessly over a computer network. A accessory enabled with Wi-Fi, such as a claimed computer, video bold console, smartphone, tablet, or agenda audio player, can affix to a arrangement ability such as the Internet via a wireless arrangement admission point. An admission point (or hotspot) has a ambit of about 20 meters (65 ft) central and a greater ambit outdoors. Hotspot advantage can comprise an breadth as baby as a individual allowance with walls that block radio signals or a ample area, as abundant as abounding aboveboard miles, covered by assorted overlapping admission points.
"Wi-Fi" is a cast of the Wi-Fi Alliance and the cast name for articles application the IEEE 802.11 ancestors of standards. Alone Wi-Fi articles that complete Wi-Fi Alliance interoperability acceptance testing auspiciously may use the "Wi-Fi CERTIFIED" appellation and trademark.
Wi-Fi has had a checky aegis history. Its ancient encryption system, WEP, accepted simple to break. Abundant college superior protocols, WPA and WPA2, were added later. However, an alternative affection added in 2007, alleged Wi-Fi Protected Setup (WPS), has a blemish that allows a limited antagonist to balance the router's WPA or WPA2 countersign in a few hours on a lot of implementations.1 Currently the alone antidote is to about-face off the WPS feature, 2 although this may not be accessible on some router models.3
"Wi-Fi" is a cast of the Wi-Fi Alliance and the cast name for articles application the IEEE 802.11 ancestors of standards. Alone Wi-Fi articles that complete Wi-Fi Alliance interoperability acceptance testing auspiciously may use the "Wi-Fi CERTIFIED" appellation and trademark.
Wi-Fi has had a checky aegis history. Its ancient encryption system, WEP, accepted simple to break. Abundant college superior protocols, WPA and WPA2, were added later. However, an alternative affection added in 2007, alleged Wi-Fi Protected Setup (WPS), has a blemish that allows a limited antagonist to balance the router's WPA or WPA2 countersign in a few hours on a lot of implementations.1 Currently the alone antidote is to about-face off the WPS feature, 2 although this may not be accessible on some router models.3
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