Explain the concept of server and client in a distributed system. Explain the main advantages common to such systems.
Explain a couple of important disadvantages of such systems. (note the similarity to the short question - but the greater number of marks requires a much more detailed answer.)

Describe and explain what you think are the six most important features of an enterprise framework.
long answer

Describe and explain the function and properties of six distinct aspects of the file services available to a distributed system.
Long answer

What is a protocol? Give an example of an application protocol and a protocol associated with middleware.

Use the example of a mail retrieval protocol to explain what is meant by a protocol.

Explain what is meant by message-orientated middleware. Give two examples of where its use is advantageous - explain why it is used there.