What Is Computer Networking?

Anyone who has ever sent an e-mail has used computer networking. A generation ago, computer use was still new, but today life would be unthinkable without the benefits computer networking provides. The computer network has become a fundamental tool of today's corporate environment.

Computer networks function on a local area (LAN) or a wide area (WAN) based upon the number of people and the geographic distances involved. These can include a small business with two or three employees to major corporations to the Federal government of the United States. But computer networks exist in realms beyond business. Virtually every aspect of today's society depends on information that is furnished through computer networks. Companies can save millions of dollars by sharing resources via computer networks rather than by shipping or traveling. Individuals use computer networking to do their banking from home, communicate with relatives, and even to entertain themselves with music or by playing video games.

Computer networking is the connecting of two or more computers that allows them to share resources. It can be done between computers in a home, in a business, across a corporation, and even internationally. The Internet is the largest example of computer networking because it involves thousands of networks of computers that share information.

Computer networking has changed the lifestyle of Americans. People can work from home while they keep an eye on their children. Companies can conduct video conferences and share software. Information on just about any conceivable subject is available at the click of a mouse. But computer networking has a downside as well. Hackers routinely try to break into company files, information is stolen from computer networks, and the networks themselves can have technical problems or crash completely.

Computer networking specialists are being called upon more and more to safeguard individual, company, and government information through constantly changing security processes. A career that barely existed a generation ago has become one of the more high-profile jobs in the world today. The increasing spread of network technology combined with the complexity of that technology means that a graduate will be walking into a growing field that promises to continue to provide challenges and demands for many years to come.

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