CategoriesConfiguring Computer NetworkCommunication DevicesTopologiesIT CertificationsIT GlossaryEthernet ExplainedRouter CommandsSecurity OverviewHome Computer NetworkingISDN LinesVOIP ExplainedWindows ResourcesWeb ServerInternet FaxGSM TechnologyHow TosComputer Troubleshooting TipsRouting ExplainedGateway IntroductionOSI Layers ModelFTP SitesLinksMore TopicsCiscoMicrosoftComptiaCitrixICS2Certifications ResourcesIT Study GuidesRouter LabsWindows NetworkingWireless Computer NetworkingTCP/IP TutorialComputer DiagnosticsSecurity TechnologyComputer TroubleshootingProtocol AnalyzersWAN TroubleshootingComputer NetworkingStorage Area NetworkTroubleshootingAnti Spyware SoftwareData Recovery SoftwareComputer HelpInformation SecurityRegistry Cleaner ToolsCisco RoutersIT CertificationsSun Solaris Server AdministrationCommunication DevicesComputer TutorialsLinux SecurityMiscelleneous TopicsNetworking Tutorials OverviewFind computer network tutorials, wireless communication guide, LAN/WAN guide, local area network tools, wan introduction, osi layers model and many other advance topics of data communication. This is very informative site for the IT people specially in the field of computer networking. You will also find data communication overview, tech guides , data communication related information, topologies, tech study guide, Router Labs, IT certifications, Ethernet guide, free IT resources, ip addressing tools, telecommunication guide and many other informative resources. Data communication is a process of sharing data and shared resources between two or more connected computers. The shared resources can include printer, Fax modem, Hard disk, CD/DVD Rom, Database and the data files.A computer network can be divided into a small segments called Local Area Network (LAN), networking between computers in a building of a office, medium sized networks (MAN), communication between two offices in a city and wide area networks (WAN) networking between the computers, one is locally placed and the other can be thousands of miles away in another city or another country in the world.WAN connectivity is achieved by a device known as “Router”. The internet is the world’s largest WAN, where millions of computers from all over the globe and connected with each other.Networking is the practice of linking two or more computers or devices with each other. The connectivity can be wired or wireless. A computer network can be categorized in different ways, depends on the geographical area as mentioned above.There are two main types of the computer networking client-server and peer to peer. In the client dedicated server computing, a computer plays a major role known as server, where the files, data in the form of web pages, docs or spread sheet files, video, database & resources are placed.All the other computers in the client/server networks are called clients and they get the data from the server. In the peer to peer networks all the computers play the