Computer Networking: What You Should Know
Computer networking, more commonly called datacom or data communication is the practice of linking several computer systems together to interchange data. Computer networking is recognized as a branch of computer science, information technology, telecommunications and/or computer engineering since it heavily relies on the theory and application of these mentioned fields.
There are 3 types of computer networks to be exact the internet, intranet and the extranet.
- The Internet - is a global system of networks of computers that are interconnected. These networks make use of Internet Protocol Suite which is either TCP or IP, which in turn serves billions of computer users throughout the world.
- The Intranet - unlike the internet, the intranet is an exclusive computer network. Even though the intranet makes use of Internet Protocol technologies, the data is secured in the organization and not shared to the entire world.
- The Extranet - on the other hand is actually an expansion of a company's intranet. Its main purpose is to allow users from outside this company such as vendors, associates, and suppliers to gain access to some information and data.
Here are some of the various ways of networking computers:
- Local Area Network - or usually abbreviated as LAN, is a small network of computer systems in a small area. One instance of LAN is a network of computers in a building.
- Metropolitan Area Network - or MAN is similar to LAN. The only difference is that MAN is employed in a bigger scale like cities or states.
- Wide Area Network - or WAN is a far larger network when compared with MAN and is used to cover larger geographic regions.
- Wireless LANs and WANs - are just like WAN and LAN and the only real difference is that they are wireless.
In computer networking, there are lots of ways to interconnect computers such as the use of coaxial wires, optical fibers, and even by means of power lines. But as technology advances there are better ways to do this like wireless technology which include Bluetooth and Wi-Fi.
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