Computer networking Networking Study Guide

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