User guide

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TCP/IPTransmission Control Protocol/Internet Protocol. The set of communications protocols used
for the Internet and other similar networks.
USB — Universal Serial Bus. A connection type for computing device peripherals such as a printer,
mobile modem, etc. USB connectors may be used for data transfer or charging.
USB Port TypesThe 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).
VPNVirtual Private Network. A secure private network that runs over the public Internet.
Commonly used to connect to an office network from elsewhere.
WCDMAWideband Code Division Multiple Access. Anair interface standard found in 3G mobile
telecommunications networks. The most-commonly used member of the UMTS family.
WWANWireless 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).
Wi-Fi Wireless Fidelity. Any system that uses the 802.11 standard developed and released in 1997 by
the IEEE.
Wi-Fi Client — A wireless device that connects to the Internet via Wi-Fi.
WPA/WPA2 — Wi-Fi Protected Access. A security protocol for wireless 802.11 networks from the Wi-Fi
Alliance.