Computer networking Networking Study Guide – Flashcards
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Types of network Typologies
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Bus, Star, and Ring
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Network Topology
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the layout of computers and devices in a communications network
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Network
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A collection of computers and devices connected together
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Node
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The devices that are used in a network
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Token Ring
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Specifies that computers and devices on the network shapr or pass a special signal (or token)
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TCP/IP
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A network standard that defines how messages are routed from one end of a network to another
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WI-FI (wireless fidelity)
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Identifies any network based on the 802.11 standard that facilitates wireless communication
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Intranet
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Internal network that uses internet technology
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Ethernet
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standard that specifies no computer controls when data can be transmitted
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Local Area Network (LAN)
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A network that connects computers and devices in a limited geographical area (e.g. home, school computer lab, office building))
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Wireless LAN (WLAN)
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A LAN that has no physical wires
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Proptocol
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Standard the outlines characteristics of how network devices communicate
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Star Network
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all of the computers and devices on the network connection to a central device
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Bus Network
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Consists of a central cable to which all computers and other devices connect
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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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MAN
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Metropolitan Network
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Wide Area Network (WAN)
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A network that covers a large geographic area (e.g A city, country,or world)using communications channel that combines many and radio waves
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Client/Server Network
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one or more computers act as a server and the other computers on the network request services from the server. Server holds resources while Client requests what is held
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Peer to Peer Network (P2P)
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Internet network on which users access each other's hard disk and exchange files directly over the internet
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Switch
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The device that provides a common central connection point for nodes on a network
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Router
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a communtions device that connects mulitiple computers or other routers together and transmits data to its correct destination on a network
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Gateway
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A combination of hardwares and softwares that connects one network to another
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Types of Protocol
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Enthernet, token ring,TCP/IP, Wi-Fi, Bluetooth, UWB, IrDA,RFID, WiMAX, and WAP
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5 advantages of a network
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Facilitating Communications Sharing Hardware Transferring Funds Sharing Data/Information Sharing Software
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Network Architechure
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The design of computers, devices, and media on a network
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Server
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The type of computer used in a network. The server holds the information for a network.
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Central Prossing Unit(CPU)
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the brains of the computer where most calculations take place.
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Random access Memory (RAM)
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a volitile form of computer data storage.
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Gigahertz
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The Measure of speed that the CPU uses
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Video card
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the type of device that a monitor in connected to
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Heat Sink
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The component that cools down down a computer
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Mother Board
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It holds together many of the crucial components of a computer
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Super Computer
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A computer used for weather forcasting
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Green Computing
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the environmentally responsible use of computers and related resources
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Component needed to improve computer speed
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Operating System
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the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals.
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Utility Program
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a program for carrying out a routine function
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Driver
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a program that controls the operation of a device such as a printer or scanner.
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Application Software
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a set of one or more programs designed to carry out operations for a specific application
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Terabyte (Tb)
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The compasity storage suited for a bank
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SpreadSheet
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an electronic document in which data is arranged in the rows and columns of a grid and can be manipulated and used in calculations.
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Graphic Card
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a printed circuit board that controls the output to a display screen
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Disk defragmenter
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designed to increase access speed by rearranging files stored on a disk to occupy contiguous storage locations
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Cloud Computing
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the practice of using a network of remote servers hosted on the Internet to store, manage, and process data, rather than a local server or a personal computer.
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Porpose of the Https Protocol
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Hypertext teansfer protocol over secure socket layer. It means the web browser connection is being used will be encrypted and not accessible by hackers
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IP address
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a unique string of numbers separated by periods that identifies each computer using the Internet Protocol to communicate over a network.
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Advantages of a peer to peer network.
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