Problem
1. How are binary files included in mail messages even though SMTP handles only 7-bit data? Name the two mail headers that play an important role here.
2. The browser can display three types of images without needing external help. What are they?
3. What is hypertext? Is it confined to text only?
4. What is HTTP? Which port number does it use?
5. What are CGI programs? How are they invoked?
6. How do you access the home page of the Web server running on your own machine?