Mis Chapter 6

Front 1

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.

Back 1

Bandwidth

Front 2

A method by which two or more devices can wirelessly connect to each other while in close proximity.

Back 2

Bluetooth

Front 3

A computer network where end-user workstations(clients) are connected via telecommunications links to network servers and possibly to main frame super servers.

Back 3

Client/Server Network

Front 4

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.

Back 4

Coaxial Cable

Front 5

Earth satellites placed in stationary orbits above the equator that serve as relay stations for communication signals transmitted from earth stations.

Back 5

Communications Satellite

Front 6

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.

Back 6

Extranet

Front 7

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.

Back 7

Fiber Optics

Front 8

The older tradional mainframe-based business information systems of an organization.

Back 8

Legacy Systems

Front 9

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.

Back 9

Local Area Network(LAN)

Front 10

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.

Back 10

Metcalfe's Law

Front 11

(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.

Back 11

Modem

Front 12

An electronic device that allows a single communications channel to carry simultaneous data transmissions from amny terminals.

Back 12

Multiplexer

Front 13

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.

Back 13

Intranet

Front 14

An interconnected system of computers, terminals, and communications channels and devices.

Back 14

Network

Front 15

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.

Back 15

Network Architecture

Front 16

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.

Back 16

Network Computing

Front 17

The various comnfigurations by which computers can be networked and connected together.

Back 17

Network Topologies

Front 18

Software that helps diverse software programs and networked computer systems work together, thus promoting their interoperability.

Back 18

Middleware

Front 19

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.

Back 19

Open Systems

Front 20

A computing environment in which end-user computers connect, communicate and collaborate directly with one anotgher via the internet or other telecommunications network links.

Back 20

Peer-to-peer Network(P2P)

Front 21

A set of rules and procedures for the control of of communications in a communications network,

Back 21

Protocol

Front 22

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.

Back 22

Telecommunications

Front 23

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.

Back 23

Telecommunications Processors

Front 24

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.

Back 24

Virtual Private Network

Front 25

A process where the internet is used as the network carrier for telephone or voice communication.

Back 25

Voice over IP (VoIP)

Front 26

A data communications network covering a large area.

Back 26

Wide Area Network

Front 27

A network is an interconnected chain, group or system of nodes? (T/F)

Back 27

True

Front 28

What states that a network equals the square of the number of users?

Back 28

Metcalfe's Law

Front 29

Name six Network Alternatives

Back 29

-Networks
-Media
-Processors
-Software
-Channels
-Topology/Architecture

Front 30

Name five Wireless technologies

Back 30

-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

Front 31

Name the most common telecommunications processor

Back 31

Modem

Front 32

Explain what a modem does:

Back 32

MOdulates / DEModulates

D-->A
A-->D

Front 33

Where does telecommunications software reside?

Back 33

PC's, Servers, mainframes and communications processors

Front 34

Network Management Function

Back 34

-Traffic Management
-Security
-Network Monitoring
-Capacity Planning

Front 35

Predetermined protocol that allows two networks to interface

Back 35

Handshaking

Front 36

Rules and procedures for network communication

Back 36

Protocol

Front 37

Explain Network Architecture:

Back 37

Master plan of standards whose main goal is to promote an open, simple, flexible and efficient telecommunications environment

Front 38

What is OSI Model

Back 38

Open Systems Interconnection Model

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