December 1999
NI222 : NETWORKS AND THE INTERNET

QUESTION 2

Total Marks: 15 Marks

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SUGGESTED SOLUTIONS
for Question 2

(a)

Explain the difference between Intranets and Extranets.

 

 [2]
(b)

Explain the role of HTML,HTTP and URL in the process of Web interaction between a Web browser Client and a host computer.

 

 [3]
(c)

Explain why data flows down a protocol stack synchronously,but flows up a protocol stack asynchronously.

 

 [4]
(d)

Discuss any three issues that distinguish network applications from traditional applications.

 [6]