April 2000
WW221 : WORLD WIDE WEB FUNDAMENTALS

QUESTION 4

Total Marks: 15 Marks

• Question 1
• Question 2
• Question 3
• Question 5
• Cover Page

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SUGGESTED SOLUTIONS
for Question 4

(a)(i)A World Wide Web server has a set of legal URLs that it makes available to WWW clients.Normally those files are images, HTML files, or other static documents. When the client asks to supply such static documents, the server simply returns the documents.However when the client asks fo a URL that points to a CGI application,a different process occurs. Describe the three steps in this process. [6 marks ]
(ii)Give an example of a common task using the WWW that requires a CGI
application, clearly stating why the CGI application is needed.[2 marks ]
(iii)Briefly explain any two points that should be considered when choosing a
language for developing a CGI application.[4 marks ]

(b)(i)If you were given the responsibility of ensuring that everyone in the country
could not access any information about a particular topic (for example,The
X-Files)using the Internet, how would you go about it? Describe your method,
and state whether you think it would be effective.[2 marks ]
(ii)If you were given the responsibility of punishing anyone who accessed
information about the censored topic, how would you go about it?[1 mark ]