Question 1:

a) The aim of a computer network is to increase efficiency and reduce costs. Describe how networks achieve the above.

b) Explain briefly how the bus topology operates. Support your answer with appropriate diagrams.

c) Briefly describe the following terms associated with networking :

a) Server
b) Client
c) Protocol
d) Media

Question 2:

a) Apart from computer viruses, briefly explain THREE other security problems that can emanate from the Internet.

b) Differentiate between a static and a a dynamic web site.

c) What are the differences between electronic mail and paper mail ? How do these affect the modern office?