a) (i) Various technologies exist that ensure that an e-banking organisation network boundaries are secure from cyber attacks and intrusion. Briefly describe any two technologies that can be used.

(ii) What do you meant by the term demilitarised zone (DMZ)? Give an illustration (diagram) to support your answer.

b) (i) Outline the basic differences between a credit card and a charge card.

(ii) Describe why the use of credit cards is not suitable for micro-payments.

c) (i) Explain the main challenges behind the adoption of Mobile banking.

(ii) What have been the drivers behind the widespread use of Mobile services?