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● USB Port Types — The USB ports on computers and hubs have a rectangular Type A socket, and
peripheral devices have a cable with a Type A plug. Peripherals that do not have an attached cable
have a square Type B socket on the device and a separate cable with a Type A and Type B plug. Ports
and connectors are available in different sizes (for example, standard, mini, and micro).
● VPN — Virtual Private Network. A secure private network that runs over the public Internet.
Commonly used to connect to an office network from elsewhere.
● WWAN — Wireless Wide Area Network. A public network that extends beyond architectural,
geographical, or political boundaries (unlike a LAN, which is usually a private network located within a
room, building, or other limited area).
● WEP — Wired Equivalent Privacy. An IEEE standard security protocol for 802.11 networks. Superseded
by WPA and WPA2.
● WiFi — Wireless Fidelity. Any system that uses the 802.11 standard developed and released in 1997 by
the IEEE.
● WiFi Client — A wireless device that connects to the Internet via WiFi.
● WPA/WPA2 — WiFi Protected Access. A security protocol for wireless 802.11 networks from the WiFi
Alliance.
