As the question asks, what are the types of computer networks? Local area network, wide area network, Internet, and Ethernet can all be collectively referred to as computer network types. So what are these?
Local Area Network
Local Area Network: (Local Area Network, LAN), a local area network is a local-scale computing group. It is a computer communication network that interconnects various computers, external devices, and databases within a local geographical scope.
For example, a home network is a small local area network that contains computers, mobile phones, tablets, etc., and they are connected to you.
The router at home; the school computer room is a local area network with hundreds of thousands of computers in it.
▶Range: within a few kilometers
▶Hardware: servers, workstations, printers, network cards
☀Theoretically, a local area network is closed and can have only two computers or tens of thousands of computers.
Wan

Wide Area Network: (WAN, Wide Area Network), the network established in a country or internationally is a wide area network.
In the wide area network, the transmission device and transmission medium used for communication can be provided by the telecommunications department.
The scope of the WAN is relatively large, and it can connect your home with other people's homes, various provinces, and various countries to communicate with each other.
WAN and LAN are both divided from the perspective of scope. WAN can also be regarded as many LANs connected to each other through routers.
▶Range: tens of kilometers to thousands of kilometers
▶Transmission speed: 56kbps to 155Mbps
☀In short, the communication subnet of the WAN can use public packet switching networks, satellite communication networks and wireless packet switching networks, which interconnect local area networks or computer systems distributed in different areas to achieve the purpose of resource sharing. Such as the Internet is the world's largest wide area network.
Ethernet
Ethernet: (Ethernet), Ethernet can be regarded as a technical standard for realizing LAN communication, and is currently the most widespread LAN technology.
The operating speed of Ethernet is 10Mbps, 100Mbps, 1Gbps, 10Gbps, some of its transmission media are twisted pair, some are optical fiber.
To put it simply, Ethernet is to connect nearby devices in a local area network for communication.
☀In theory, it is not a specific network, but a technical specification.
The Internet

Internet: (Internet), the Internet, that is, the international computer network composed of wide area network, local area network and stand-alone according to certain communication protocols.
The Internet can connect networks in all parts of the world, including individuals, governments, schools, and enterprises, as long as you can think of them.
The Internet is a broad concept and an extremely large network.
▶Production time: 1969
▶Internet domain names: .com, .top, .cn, .net, .cc, etc.
☀In short, the Internet refers to the result of connecting two computers or more than two computer terminals, clients, and servers through computer information technology.
People can send messages to each other with friends thousands of miles away. Email, get a job done together, play together.
After reading this far, have you already understood the types of computer networks, local area network, wide area network, Ethernet, and the Internet? The above is what Cetus presents to readers about computer network types, LAN, WAN, Ethernet, and the Internet. We hope it can help readers!