April 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)Discuss the two major concerns with using Java for network applications.[4 marks ]

(b)What is the advantage of caching Web pages at the browser?Is it a good idea to cache web pages from a site such as CNN or the Stock Exchange?Explain.[4 marks ]

(c)In the HTML tag <IMG SRC="Lincoln.gif" ALT="Abe Lincoln"> ,theALT
parameter is set in the <IMG> tag.Under what conditions does the browser use it,and how?[2 marks ]

(d)How do you make an image clickable in HTML?Give an example.[2 marks ]

(e)Imagine that someone in the CS department at Stanford has just written a new program named newprogram.c and he wants to distribute it by FTP.He puts the program in the directory /pub/freebies What is the URL for this program likely to be?[3 marks ]