A computer network is a system that connects multiple computers and other devices together to share resources and communicate with each other. These devices can include computers, servers, printers, routers, and other networked devices. Computer networks can be categorized into different types based on their size and geographic scope. Here are some of the most common types of computer networks:
Local Area Network (LAN): A LAN is a network that connects computers and other devices within a small geographic area, such as an office, building, or campus.
Wide Area Network (WAN): A WAN is a network that connects computers and other devices over a larger geographic area, such as a city, region, or even across multiple countries. The internet is the largest WAN in the world.
Metropolitan Area Network (MAN): A MAN is a network that connects computers and other devices within a metropolitan area, such as a city or town.
Storage Area Network (SAN): A SAN is a specialized network that provides access to storage devices, such as hard drives and tape drives, to multiple servers and other devices.
Virtual Private Network (VPN): A VPN is a network that provides secure remote access to a private network over the internet. This is often used by businesses to allow employees to connect to the company's network from remote locations.
Computer networks are essential for communication and sharing resources in modern organizations. They enable users to access shared data, applications, and devices, and allow for collaboration and communication between users in different locations. Additionally, computer networks facilitate the efficient and secure transmission of data and information, making them a critical component of modern business and society.
