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最佳答案A computer network is a collection of interconnected devices, such as computers, servers, printers, and switches, that are linked together to facilitate communication and data sharing. These devices are connected through wired or wireless connections, such as Ethernet cables or Wi-Fi, and are typically controlled by a central network management system.Computer networks can be classified into different types based on their size, geographical coverage, and purpose. Some common types of computer networks include:1. Local Area Network (LAN): A LAN is a network that covers a small geographical area, such as a home, office, or school. LANs are typically used to connect devices within a single building or a group of nearby buildings.2. Wide Area Network (WAN): A WAN is a network that covers a larger geographical area, such as a city, country, or even multiple countries. WANs are used to connect LANs over long distances, often using public or private communication links.3. Metropolitan Area Network (MAN): A MAN is a network that covers a larger area than a LAN but smaller than a WAN. MANs are typically used to connect multiple LANs within a city or metropolitan area.4. Virtual Private Network (VPN): A VPN is a network that allows users to securely connect to a private network over a public network, such as the internet. VPNs are commonly used to enable remote access to corporate networks or to establish secure connections between geographically dispersed locations.5. Wireless Local Area Network (WLAN): A WLAN is a type of LAN that uses wireless connections, such as Wi-Fi, to connect devices. WLANs are commonly used in homes, offices, and public spaces to provide wireless internet access.6. Storage Area Network (SAN): A SAN is a specialized network that provides high-speed access to storage devices, such as disk arrays or tape libraries. SANs are commonly used in data centers to centralize storage and provide scalable storage solutions.7. Campus Area Network (CAN): A CAN is a network that covers a large area, such as a university campus or corporate headquarters. CANs are used to connect multiple LANs within a single location and often include high-speed backbone connections.These are just a few examples of the different types of computer networks. Each type has its own characteristics, advantages, and use cases, and the choice of network type depends on the specific requirements and constraints of the organization or individuals using it.
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