Businesses use computer networks for various reasons. One important reason is that networks make it easy for many employees to share hardware and software, as well as printers, faxes, and modems. For example, it would be very expensive to buy individual copies of word processing programs for each employee of a company. By investing in a network version of the software that is accessible to all employees, companies can often save a lot of money. Additionally, companies that rely on databases for day-to-day operations use networks to allow authorized personnel to quickly and easily access the most current version of the database.
Networks vary greatly in size; even only two computers connected together are considered a network. They can also be extremely large and complex, involving hundreds of computer terminals in various geographic areas around the world. A good example of a large network is the Internet, which is a system that allows people from all corners of the world to access millions of information on any subject under the sun. In addition to varying in size, networks are at least slightly different in terms of configuration or what the network is designed for; Companies customize networks to meet their specific needs. All networks, regardless of size or configuration, have problems. For example, communications with certain computers may be disrupted, users may need more training or forget their passwords, backup files may be lost, or new software may need to be installed and configured. Whatever the crisis, computer network administrators need to know the network system well enough to diagnose and resolve the problem.
IT administrators or specialists may have one or more network responsibilities. The specific job duties assigned to a person depend on the nature and scope of the employer. For example, in a medium-sized business that uses computers minimally, a computer network specialist can be expected to do everything related to the office computer system. In larger companies with more sophisticated computer systems, IT network managers are likely to have stricter and better defined responsibilities.
Networks vary greatly in size; even only two computers connected together are considered a network. They can also be extremely large and complex, involving hundreds of computer terminals in various geographic areas around the world. A good example of a large network is the Internet, which is a system that allows people from all corners of the world to access millions of information on any subject under the sun. In addition to varying in size, networks are at least slightly different in terms of configuration or what the network is designed for; Companies customize networks to meet their specific needs. All networks, regardless of size or configuration, have problems. For example, communications with certain computers may be disrupted, users may need more training or forget their passwords, backup files may be lost, or new software may need to be installed and configured. Whatever the crisis, computer network administrators need to know the network system well enough to diagnose and resolve the problem.
IT administrators or specialists may have one or more network responsibilities. The specific job duties assigned to a person depend on the nature and scope of the employer. For example, in a medium-sized business that uses computers minimally, a computer network specialist can be expected to do everything related to the office computer system. In larger companies with more sophisticated computer systems, IT network managers are likely to have stricter and better defined responsibilities.
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