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31 Cards in this Set
- Front
- Back
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network
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interconnected or interrealated chain, group, or system
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metcalfe's law
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usefulness of a network equals the square of the number of users.
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telecommunications
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exchange of information in any form over networks
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internet networking technologies
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browser suites, html editors, internet and intranet services, TCP/IP networking products and security firewalls
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open systems
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IS that uses common standards for hardware, software, applications, and networking.
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middleware
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mediate b/t two separate, and usually already existing, programs
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internet2
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high-speed telecommunications and infinite bandwith
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ISP
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company that provides access to the internet
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intranet
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network inside an org.
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telecommunications network
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communication network where a sender transmits a message to a receiver over a channel consisting of some type of medium
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wide area networks (WANs)
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telecommunications over large geographic area
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LANs
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connect computers and other information processing devices within a limited physical area, like an office, classroom, building, or manufacturing plant
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virtual private network (VPN)
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secure network that uses the Internet as its main backbone network, but relies on network firewalls, encryption, and other security features of its internet to those participating orgs.
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client/server networks
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end user PC or NC workstations are the clients, which are interconnected b/t LANs and share application processing with network servers, which also manage the network
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legacy system
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traditional mainframe based business information systems
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network computing
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views the networks as the central computing resource of any computing environment
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P2P
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connects your PC to central server that contains a directory of all other users
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analog
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electric currrent is generated that is proportional to the quantity being observed
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digital
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quantity being observed is expressed as a number
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telecommunications media
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twisted pair wire, coaxial cable, fiber-optic cable
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bluetooth
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wireless connection to peripheral devices such as a computer or printer
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telecomm processors
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functions b/t computers and other devices in a telecomm network
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internetwork processors
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switches, routers, hubs, and gateways
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multiplexer
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comm processor that allows a single comm channel to carryu simultaneous data transmissions from many terminals
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network topologies
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structures in telecommunications networks
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protocol
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standard set of rules and procedures for the control of communications in a network
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network architectures
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promote an open, simple, flexible, and efficient telecomm environment
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open system interconnection
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model is a standard description or reference model for how messages should be transmitted b/t any 2 points in a telecomm network
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TCP/IP
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transmissions control protocol/ internet protocol - system of telecom protocols that the internet uses
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bandwith
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comm speed and capacity of telecomm networks
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network interoperability
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anyone anywhere can communicate with another anywhere without having to worry about speaking common language
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