answer only part b, d, e, f

Question 4 [25 marks] a) What is a multi-tiered client server network? [1 mark] b) Draw a diagram to illustrate the main components of a simple network in a small- sized company. [4 marks] c) List and write brief notes on FOUR security threats faced when using information systems. [4 marks] d) Business Intelligence applications are heavily dependent on databases and data warehouses. List FOUR actions that a manager can perform using Business Intelligence applications? [4 marks] How are databases similar or different from data warehouses? [4 marks] f) List FOUR business values for each of SCM and CRM. [8 marks] END OF QUESTION PAPER