In pre-Internet times, networking was the domain of Universities and businesses. There were two basic types - a 'local area network' (LAN) and the larger Wide Area Network (WAN). These are still very much with us.
But many new types of networks have arisen with new technologies such as the Internet, smart phones, Wi-Fi, Bluetooth, Cloud and more.
These networks vary in size and scope, and that variation is the topic of this section.
Challenge see if you can find out one extra fact on this topic that we haven't already told you
Click on this link: Main characteristics of a computer network