Fi (UK: Wi-Fi) technology is gaining popularity, which allows electronic devices to exchange data, or connect to the Internet wirelessly using radio waves. This word is a trademark of the Wi-Fi Alliance The Wi-Fi has a definition of what that means. "Any package That can run on standard PC network access (WLAN), which is based on the IEEE 802.11 "However, because the wireless LAN advanced largely based on these standards, the term" Wi-Fi "is being taken. in English as a synonym for "wireless LAN" Wi-Fi was originally designed for portable devices. And LAN networks, but currently used Wi-Fi to connect to the Internet. By portable devices Such as personal computers Players Phone smart phones, tablets, digital cameras, and digital audio. Can connect to the Internet through a device called an access point or hotspot area and the range of the wireless access point coverage is approximately 20 m. In the building, but this is far. if it is open, an image of the device sends data wirelessly to other devices that connect to a wireless LAN and wired local network to print documents Wi-Fi. Is less secure than a wired connection (such as Ethernet) because the attacker does not need a physical connection. Web pages that use SSL secure. But the Internet is not encrypted, can be detected by intruders hence the Wi-Fi technology has developed numerous WEP encryption encrypts the first generation. Moi was proved that an easy invasion. Communications protocol that is higher quality, including WPA, WPA2 has increased later. An optional feature added in 2007, called Wi-Fi Protected Setup (WPS) has a fatal flaw that allows an attacker to recover the password of the router's Wi-Fi Alliance has updated test plans and programs. Certified since then to make sure. The device has been certified to resist all attacks.
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