August 2000
NI222 : NETWORKS AND THE INTERNET

QUESTION 5

Total Marks: 15 Marks

• Question 1
• Question 2
• Question 3
• Question 4
• Cover Page

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SUGGESTED SOLUTIONS
for Question 5

(a) Explain the terms HotJava and Java Applet. [2]

(b) What is Java bytecode? Describe how bytecode is executed on the host system. [4]

(c) Show the <A> tag that is needed to make the string “ICS” be a hyperlink to http://www.informatics.edu.sg. [2]

(d) Identify and explain any two ways of improving the performance of the web browser on a client system. [4]

(e) Some web browsers attempt to speed up browsing by automatically fetching all the pages that can be reached via hyperlinks from the page your are reading, and then all the pages linked from those pages, and so on. What benefits and problems can you see with this scheme? [3]