August 2000
NI222 : NETWORKS AND THE INTERNET

QUESTION 2

Total Marks: 15 Marks

• Question 1
• Question 3
• Question 4
• Question 5
• Cover Page

Click to access
SUGGESTED SOLUTIONS
for Question 2

(a) List three techniques for securing your data in a distributed environment. [3]

(b) Explain the two ways in which an application on one host can send message to multiple hosts. Which one of the two is less efficient, and why? [4]

(c) Explain in detail how it is possible to update or pass information from a client to a server on the Web. [4]

(d) A ‘smart’ web application (Java applet) could compress data before transmitting it to the server. What would be the advantages and disadvantages in doing so? [4]