Fundamentals of Networking Course by eAcademy

A network is any collection of independent computers that communicate with one another over a shared network medium. A computer network is a collection of two or more connected computers. The computers on a network may be linked through cables, telephone lines, radio waves, satellites, or infrared light beams. When these computers are joined in a network, people can share files and peripherals such as modems, printers, tape backup drives, or CD-ROM drives. When networks at multiple locations are connected using services available from phone companies, people can send e-mail, share links to the global Internet, or conduct video conferences in real time with other remote users.

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