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Computer Networking: What You Need To Know
Computer networking, usually called datacom or data communication is the practice of linking several computer systems with each other to interchange information. Computer networking is recognized as a branch of computer science, IT, telecommunications and/or computer engineering since it greatly depends on the theory and application of these mentioned areas.
There are 3 kinds of computer networks to be exact the internet, intranet and then the extranet.
- The Internet - is a global system of networks of computers that are connected. These networks use Internet Protocol Suite which is either TCP or IP, which in turn serves millions of computer users all over the world.
- The Intranet - in contrast to the internet, the intranet is an exclusive computer network. Although the intranet makes use of Internet Protocol technology, the information is secured in the company and not shared to the world.
- The Extranet - at the same time is actually an expansion of a company's intranet. Its primary purpose is to allow users from outside the organization like vendors, associates, and suppliers to access specific data and information.
Below are a few of the many ways of networking computers:
- Local Area Network - or usually known as LAN, is a small network of computers in a small area. One instance of LAN is a network of computer systems in a building.
- Metropolitan Area Network - or MAN is similar to LAN. The significant difference is that MAN is employed in a larger scale like metropolitan areas or states.
- Wide Area Network - or WAN is a much larger network when compared with MAN and is utilized to cover larger geographic regions.
- Wireless LANs and WANs - are like WAN and LAN and the only real difference is the fact that they are wireless.
In computer networking, there are lots of ways to interconnect computer systems like the use of coaxial wires, optical fibers, and also by means of power lines. But as technology progresses there are better ways to do this such as wireless technology which includes Bluetooth and Wi-Fi.
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