A network is only a group of a couple of computer systems linked together in some way so they can share data between them. A wide area network occupies a huge area, including a whole country or the full world. A wide area network, or WAN, occupies a huge area, like a whole country or the whole world.
There are two major varieties of topology. Network topologies might be physical or logical. There are several kinds of the network topologies. Different network topologies can impact throughput, but reliability is frequently more critical.
Various varieties of networks give various services, and require various things to work properly. There are additional kinds of network you may encounter. A house network may contain things like digital televisions, home security and other sorts of systems that are unique to the house environment instead of typically found in a workplace. A house area network, or HAN, is a kind of PAN made specifically for home usage.
There are a lot of ways of classifying networks. A metropolitan area network includes a computer network across a whole city, college campus or little region. As soon as the Metropolitan Area Network (MAN) becomes bigger it will become difficult to manage not simply on account of the extra configuration it requires but also as a result of security problem which makes it rather simple for hackers to attack the network.