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25 Cards in this Set
- Front
- Back
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802.11 |
A series of networks standards that specifies how two wireless devices communicate with each other |
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bandwidth |
The amount of data, instructions, and information that can travel over a communications channel. |
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broadband |
Type of media that transmits multiple signals simultaneously. |
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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. |
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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. |
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communications |
Process in which two or more computers or devices transfer data, instructions, and information. |
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communications device |
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 |
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 |
Temporary connection that uses one or more analog telephone lines for communications. |
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DSL |
Type of digital technology that provides high-speed Internet connections using regular copper telephone lines. |
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Ethernet |
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 |
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) |
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) |
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 |
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Home network |
Network consisting of multiple devices and computers connected together in a home. |
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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. |
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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 |
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Network topology |
Layout of computers and devices in a communications network. |
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T-carrier line |
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 |
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 |
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) |
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 |
Short for wireless fidelity; term for any network based on the802.11 series of standards |
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WiMAX |
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 |
Location where people can connect wirelessly to the Internet using mobile computers, smart phones, handheld game consoles, or other devices. |
