How does the Internet actually work? Page
The Internet is the ultimate distributed network. This means that it has no central authority or server. You cannot just switch it off albeit some countries have been known to shutdown connections to the global Internet infrastructure in order to prevent communications with the outside world. Many complex systems make up what we refer to as 'the Internet'. These are simplified and broken down into three mutually-dependent processes in this chapter - Connect, Locate and Interact.
This chapter is a requirement to understanding other topics covered in Lesson 1 and throughout the Internet Security Course.