Wi-Fi is a family of (71)net work protocols,based on the lEEE(72) family of standards,whic h are commonly used for (73) area networking of devices and Internet access,allowing nearby digital devices to exchange d ata by radio waves.A wireless (74) point(WAP) connects a group of wireless devices to an adjacent wired LAN.A Wi-Fi device is a (75) wireless device.A wireless router allows wired and w ireless Ethernet LAN devices toconnect to a(usually)single WAN device to achieve the publicInternet access.