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SIM
— Subscriber Identification Module. Found in LTE and GSM network technology, the SIM is a card
containing identification information for the subscriber and their account. The SIM card can be moved
to different devices.
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SSID
— Service Set IDentifier. The name assigned to a Wi-Fi network.
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TCP/IP
— Transmission Control Protocol/Internet Protocol. The set of communications protocols used
for the Internet and other similar networks.
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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.
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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).
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VPN
— Virtual Private Network. A secure private network that runs over the public Internet.
Commonly
used to connect to an office network from elsewhere.
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WCDMA
— Wideband Code Division Multiple Access. An air interface standard found in 3G mobile
telecommunications networks. The most-commonly used member of the UMTS family.
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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).
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Wi-Fi
— Wireless Fidelity. Any system that uses the 802.11 standard developed and released in 1997 by
the IEEE.
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Wi-Fi Client
— A wireless device that connects to the Internet via Wi-Fi.
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WPA/WPA2
— Wi-Fi Protected Access. A security protocol for wireless 802.11 networks from the Wi-Fi
Alliance.
