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52 Cards in this Set
- Front
- Back
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bandwidth
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Amount of data/instructions/information that can travel over transmission media
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body area network
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Uses low-powered sensors to collect data
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broadband modem
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Communications device that sends/receives data/information to/from digital line
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broadcast radio
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Transmission medium distributing radio signals through air over long distances
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bus network
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Consists of a single central cable, to which all computers and devices connect
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cable modem
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Broadband modem that sends and receives digital data over the CATV network
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clients
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Computers or devices on a network that rely on the server for its resources
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coaxial cable
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Consists of a single copper wire surrounded by at least three layers
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communications channel
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On which data, instructions, or information travel
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communications device
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Hardware that transmits data/information between sending/receiving devices
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dedicated line
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Type of always-on physical connection set between 2 communications devices
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digital communications
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Process in which two or more computers transfer data, instructions, information
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Digital Subscriber Line
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Transmits on existing standard copper phone wiring
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downlink
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Transmission from a satellite to an earth-based station
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downstream rate
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Transfer rate when receiving data
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electronic data interchange
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Standard that defines how business documents transmit across transmission media
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electronic funds transfer
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Allows users connected to a network to exchange money via transmission media
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Ethernet
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Specifies no central computer on network should control when data is transmitted
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extranet
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Allows customers or suppliers to access part of its intranet
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file sharing network
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Internet network on which users access each other’s hard drives/exchange files
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intranet
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Internal network that uses Internet technologies
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IP hijacking
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Theft of someone’s paid Internet access
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latency
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Time it takes a signal to travel from one location to another on a network
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local area network
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Network that connects computers or devices in a limited geographical area
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metropolitan area network
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Network that connects LANs in a metropolitan area
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microwaves
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Radio waves that provide a high-speed signal transmission
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network
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Collection of computers connected via communications devices/transmission media
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network architecture
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Configuration of computers, devices, and media in a network
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network card
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Enables device without built-in networking capability to access a network
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network license
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Legal agreement allowing users to access software on a server simultaneously
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network standard
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Specify the way computers access the medium to which they are connected
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network topology
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Layout of the computers and devices in a communications network
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node
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Each computer or device on a network
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noise
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Electrical disturbance that can degrade communications
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packet sniffer
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Software that monitors and logs packet traffic for later analysis
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packet switching
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Breaking message into packets, sending along best route, and reassembling data
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personal area network
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Network that connects computers or devices in an individual’s workspace
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protocol
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Standard that outlines characteristics of how 2 devices communicate on a network
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receiving device
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Accepts the transmission of data, instructions, or information
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ring network
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Cable forms a closed loop with all computers and devices arranged along the ring
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sending device
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Initiates an instruction to transmit data, instructions, or information
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server
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Controls access to hardware/software on a network; provides centralized storage
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star network
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All of the computers and devices on the network connect to a central device
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switch
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Device that provides a central point for cables in a network
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token
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Special series of bits that functions like a ticket
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token ring
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Specifies network computers share special signal in unidirectional preset manner
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transmission media
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Consist of materials capable of carrying one or more communications signals
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uplink
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Transmission from an earth-based station to a satellite
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upstream rate
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Transfer rate when sending data
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wide area network
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Network covering a large geographic area using wired/wireless transmission media
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wireless LAN
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A LAN that uses no physical wires
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wireless modem
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Uses a mobile phone provider’s network to connect to Internet wirelessly
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