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25 Cards in this Set

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  • Back
A series of network standards that specifies how two wireless devices communicate over the air with each other.
The amount of data, instructions, and information that can travel over a communications channel.
Type of media that transmits multiple signals simultaneously.
Client/server network
Network in which one or more computers act as a server, and the other computers on the network request services from the server.
Coaxial cable
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.
Process in which two or more computers or devices transfer data, instructions, and information.
Communications device
Any type of hardware capable of transmitting data, instructions, and information between a sending device and a receiving device.
Dedicated line
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).
Dial-up line
Temporary connection that uses one or more analog telephone lines for communications.
Type of digital technology that provides high-speed Internet connections using regular copper telephone lines.
Network standard that specifies no central computer or device on the network should control when data can be transmitted.
Fiber-optic cable
Dozens or hundreds of thin strands of glass or plastic that use light to transmit signals.
FTTP (Fiber to the Premises)
Dedicated line that uses fiber-optic cable to provide extremely high-speed Internet access to a user's physical permanent location.
Global positioning system (GPS)
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.
Home network
Network consisting of multiple devices and computers connected together in a home.
Local area network (LAN)
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.
Network card
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.
Network topology
Layout of computers and devices in a communications network.
T-carrier line
Any of several types of long-distance digital telephone lines that carry multiple signals over a single communications line.
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.
Token ring
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.
Wide area network (WAN)
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.
Short for wireless fidelity; term for any network based on the802.11 series of standards.
Worldwide Interoperability for Microwave Access. Newer network standard developed by IEEE that specifies how wireless devices communicate over the air in a wide area.
Wireless Internet access point
Location where people can connect wirelessly to the Internet using mobile computers, smart phones, handheld game consoles, or other devices.