Wi-Fi and bluetooth are examples of wireless connections
Many networks use Wi-Fi connections rather than physical wires
Like Ethernet, Wi-Fi is also a family of protocols or rules that make wireless networking run smoothly
Bluetooth
wireless method of connecting devices over a short distance
uses radio waves at 2.4GHz
devices are typically within 10 metres of each other
pairing bluetooth devices
there is a persistent link made between the 2 devices, a devices can ask for a passkey in order to pair to it (gives it a layer of security like password), passkeys only need to be entered once and will be remembered by devices that are paired
Wireless NICs
built into every networked device capable of connecting to a wireless network
Devices that contain a wireless NIC
PCs, Smart phones and wireless speakers
Wireless NIC
Wireless Network Interface Controller
WAP
Wireless Access Point
Wireless Access Point
device that allows wireless devices to connect to a wire network using Wi-Fi
access point usually connects to a router via a wired network
