Hour 16. The Internet: A Closer Look

What You'll Learn in This Hour:

• Internet Topology

• NAPs and POPs

• Internet Activities

The ever-expanding Internet is the world's biggest example of a TCP/IP network. This hour gives a brief look at the Internet's structure. You'll also learn about some important Internet services. This discussion of the Internet continues in the next two hours, which cover the World Wide Web (Hour 17, "HTTP, HTML, and the World Wide Web") and email (Hour 18, "Email").

At the end of this hour, you'll be able to

• Briefly describe the structure of the Internet

• Describe important Internet services such as the World Wide Web, email, newsgroups, and chat