The Internet is the global network of interconnected computer networks. It consists of all the private, business, and government networks that are linked together by cable, wireless and optical networking technologies, and uses the Internet protocol suite called TCP/IP to function successfully. In this free online computer networking course about the Internet you will learn about the basics of network communications and how the Internet works. The TCP/IP protocol suite is explained and also how data is transferred from computer to computer around the Internet in milliseconds by a global network of millions of routers and switches. You will also learn how to distinguish the Internet from the World Wide Web, how the Web functions using the HTTP protocol and how Web browsers and Web servers operate to display Web pages. This free online computer networking course will be of great interest to all learners who are interested in a career in IT and networking and would like a thorough introduction to the technologies behind the Internet, and to all learners who would like to learn more about how the Internet functions.