Computer Networking Data Communication

This application is designed to know about basic concept of Networking. A computer network is a group of computer systems and other computing hardware devices that are linked together through communication channels.

Data communications refers to the transmission of this digital data between two or more computers and a computer network or data network is a telecommunications network that allows computers to exchange data. The physical connection between networked computing devices is established using either cable media or wireless media. The best-known computer network is the Internet.

Feature COMPUTER NETWORKS GUIDE Category on this application :
- Network Basics
- Physical Layer
- DataLink Layer
- Network Layer
- Transport Layer
- Application Layer
-> And You can get more explain about the operating system networking.

Computer networks can be discriminated into various types such as Client-Server, peer-to-peer or hybrid, depending upon its architecture. There can be one or more systems acting as Server. Other being Client, requests the Server to serve requests.Server takes and processes request on behalf of Clients.Two systems can be connected Point-to-Point, or in back-to-back fashion. They both reside at the same level and called peers. There can be hybrid network which involves network architecture of both the above types.

There are many other devices on modern computer data networks, such as Firewalls, Proxy Servers, Intrusion Detection Systems, Intrusion Prevention Systems to name just a few.

There is a lot of varied network equipment that can be used around the home or office and hopefully this article has cleared up some of the confusion about the technologies available. If you are unsure of your requirements then a simple search will bring millions of results enabling research and advice from other users who have created their own network.

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