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25 Cards in this Set
- Front
- Back
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802.11
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Series of network standards developed by IEEE that specifies how two wireless devices communicate over the air with each other
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bandwidth
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The amount of data, instructions, and information that can travel over a communications channel.
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broadband
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Type of media that transmits multiple signals simultaneously.
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client/server network
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Network in which one or more computers act as a server, and the other computers on the network request services from the server.
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coaxial cable
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A single copper wire surrounded by at least three layers: (1) an insulating material, (2) a woven or braided metal, and (3) a plastic outer coating. See also coax.
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communications
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Process in which two or more computers or devices transfer data, instructions, and information.
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communications device
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Any type of hardware capable of transmitting data, instructions, and information between a sending device and a receiving device.
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dedicated line
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Type of always-on connection that is established between two communications devices (unlike a dial-up line where the connection is reestablished each time it is used).
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dial-up line
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Temporary connection that uses one or more analog telephone lines for communications.
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DSL
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Type of digital technology that provides high-speed Internet connections using regular copper telephone lines.
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Ethernet
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Network standard that specifies no central computer or device on the network should control when data can be transmitted.
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Fiber-optic cable
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Dozens or hundreds of thin strands of glass or plastic that use light to transmit signals.
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FTTP (Fiber to the Premises)
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Dedicated line that uses fiber-optic cable to provide extremely high-speed Internet access to a user's physical permanent location.
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Global positioning system (GPS)
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Navigation system that consists of one or more earth-based receivers that accept and analyze signals sent by satellites in order to determine the receiver's geographic location.
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Home network
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Network consisting of multiple devices and computers connected together in a home.
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Local area network (LAN)
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Network that connects computers and devices in a limited geographical area such as a home, school computer laboratory, office building, or closely positioned group of buildings.
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Network card
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Adapter card, PC Card, ExpressCard module, USB network adapter, or flash card that enables the computer or device that does not have built-in networking capability to access a network. Also called a network card.
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Network topology
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Layout of computers and devices in a communications network.
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T-carrier line
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Any of several types of long-distance digital telephone lines that carry multiple signals over a single communications line.
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TCP/IP
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Short for Transmission Control Protocol/Internet Protocol; network standard, specifically a protocol, that defines how messages (data) are routed from one end of a network to the other, ensuring the data arrives correctly.
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Token ring
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Network standard in which computers and devices on the network share or pass a special signal, called a token, in a unidirectional manner and in a preset order.
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Wide area network (WAN)
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Network that covers a large geographic area (such as a city, country, or the world) using a communications channel that combines many types of media such as telephone lines, cables, and radio waves.
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Wi-Fi
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Short for wireless fidelity; term for any network based on the802.11 series of standards.
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WiMAX
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Worldwide Interoperability for Microwave Access. Newer network standard developed by IEEE that specifies how wireless devices communicate over the air in a wide area.
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Wireless Internet access point
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Location where people can connect wirelessly to the Internet using mobile computers, smart phones, handheld game consoles, or other devices.
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