Part V: TCP/IP and the Internet

			Hour 16.  The Internet: A Closer Look
				How the Internet Looks
				What Happens on the Internet
				Summary
				Q&A
				Key Terms
			Hour 17.  HTTP, HTML, and the World Wide Web
				What Is the World Wide Web?
				A Closer Look at URLs
				Understanding HTML
				Understanding HTTP
				Advanced HTML Techniques
				XML
				The New Web
				Summary
				Q&A
				Workshop
				Key Terms
			Hour 18.  Email
				What Is Email?
				How Email Looks
				How Email Works
				Simple Mail Transfer Protocol (SMTP)
				Retrieving the Mail
				Email Readers
				Web-Based Email
				Spam
				Summary
				Q&A
				Workshop
				Key Terms
			Hour 19.  What Hackers Do
				What Is a Hacker?
				What Do Hackers Want?
				Getting Passwords
				Other Access Techniques
				Getting Comfortable
				Getting Ready for the Next Attack
				Attacking a Network
				Denial-of-Service Attacks
				Summary
				Key Terms