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38 Cards in this Set

  • Front
  • Back
The frequency range of a telecommunications channel, which determines its maximum transmission rate. The speed & capacity of transmission rates are typically measured in bits per second. Bandwidth is a function of the telecommunications hardware, software, and media used by the telecommunications channel.
A method by which two or more devices can wirelessly connect to each other while in close proximity.
A computer network where end-user workstations(clients) are connected via telecommunications links to network servers and possibly to main frame super servers.
Client/Server Network
A sturdy copper or aluminum wire wrapped with spacers to insulate and protect it. Groups of coaxial cables may also be bundled together in a bigger cable for ease of installation.
Coaxial Cable
Earth satellites placed in stationary orbits above the equator that serve as relay stations for communication signals transmitted from earth stations.
Communications Satellite
A network that links selected resources of a company woth its customers, suppliers and pother business partners using the internet or private networks to link the organization's intranets.
The technology that uses cables consisting of very thin filaments of glass fibers that can conduct the light generated by laser for high-speed telecommunications.
Fiber Optics
The older tradional mainframe-based business information systems of an organization.
Legacy Systems
A communications network that typically connects computers, terminals and other computerized devices within a limited physical area such as an office, building, manufacturing plant or other work site.
Local Area Network(LAN)
A theory advanced by Robert Metcalfe that suggests that the value of a given network will double with the addition of each sucessive connection or node.
Metcalfe's Law
(MOdulator-DEModulator) Adevice that convertts the digital signals from input/output devices into appropriate frequencies ata a transmission terminal and converts them back into digital signals at a receiving terminal.
An electronic device that allows a single communications channel to carry simultaneous data transmissions from amny terminals.
An internet-like network within an organization. Web browser software proivides easy access to intranet Web sites establishe by business units, teams, and individuals and other nertwork resources and applications.
An interconnected system of computers, terminals, and communications channels and devices.
A master plan designed to promote an open, simple, flexible and efficient telecommunications environment through the use of standard protocols, standard communications hardwware and software interfaces and the design of a standard multilevel telecommunications interface between end users and computer systems.
Network Architecture
A network-centric view of computing in which "the network is the computer", that is , thw view that computer networks are the central computing resource of any computing environment.
Network Computing
The various comnfigurations by which computers can be networked and connected together.
Network Topologies
Software that helps diverse software programs and networked computer systems work together, thus promoting their interoperability.
Information systmes that use common standards for hardware, software, applications, and networking to create a computing environment that allows easy eccess by end users and their networked computer systems.
Open Systems
A computing environment in which end-user computers connect, communicate and collaborate directly with one anotgher via the internet or other telecommunications network links.
Peer-to-peer Network(P2P)
A set of rules and procedures for the control of of communications in a communications network,
Pertaining to the transmission of signals over long distances, including not only data communications but also the transmission of images and voide using radio, television, and other communications technologies.
Intra-network processors such as switches and routers and other devices such as multiplexers and communications controllers that allow a communications channel to carry simultaneous \data transmissions from many terminals. They may also perform error monitoring, diagnostics and correction, modulation demodulation, data compression, data coding and decoding, message switching, port contention and buffer storage.
Telecommunications Processors
A secure network that uses the internet as its main backbone network to connect the intranets of a company's different locations or to establish extranet links between a company and its customers, suppliers, or other business partners.
Virtual Private Network
A process where the internet is used as the network carrier for telephone or voice communication.
Voice over IP (VoIP)
A data communications network covering a large area.
Wide Area Network
A network is an interconnected chain, group or system of nodes? (T/F)
What states that a network equals the square of the number of users?
Metcalfe's Law
Name six Network Alternatives
Name five Wireless technologies
-Comm Satellites Geosynchronous orbit and serve as relay station
-Wireless LANS
-Bluetooth very short range
-Other Wireless Systems Cells phones, PDA's and mobile radio
-Telecommunications vital and pervasive Web-enabled e-business processes
Name the most common telecommunications processor
Explain what a modem does:
MOdulates / DEModulates

Where does telecommunications software reside?
PC's, Servers, mainframes and communications processors
Network Management Function
-Traffic Management
-Network Monitoring
-Capacity Planning
Predetermined protocol that allows two networks to interface
Rules and procedures for network communication
Explain Network Architecture:
Master plan of standards whose main goal is to promote an open, simple, flexible and efficient telecommunications environment
What is OSI Model
Open Systems Interconnection Model

-Seven-layer standard for network architectures
-Controls how messages should be transmitted
-Ensures consistency among products