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Sams Teach Yourself TCP/IP in 24 Hours, Fifth Edition by Joe Casad

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Hour 17. The Internet: A Closer Look

What You’ll Learn in This Hour:

Internet topology

IXPs and POPs

URIs and URLs

The ever-expanding Internet is the world’s biggest example of a TCP/IP network. This hour provides a brief overview the Internet’s structure. This discussion of the Internet continues over the next 3 hours, which cover the World Wide Web (Hour 18, “HTTP, HTML, and the World Wide Web”), HTML 5 (Hour 19, “The New Web”), and web services (Hour 20, “Web Services”).

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

• Briefly describe the structure of the Internet

• Recognize and describe the components of a uniform resource identifier

How the Internet Looks

You’ll have to look hard to find a description of what the Internet really is. ...

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