a) (i) Describe what do you understand by the term "Contingency Event" within the context of MACSS using a suitable example to support your answer.

(ii) Show the five main potential types of contingency event.

b) Outline briefly the two subsequent electronic payment methods.

(i) E-wallets.
(ii) Smart cards.

c) Mobility and broad reach are the two major characteristics of Mobile services that differentiate it from other forms of electronic services. The above two characteristics give rise to five value added attributes, list each one of them.

d) Outline the role of the Credit Card Gateway and list down the steps involved when payment is processed via the payment gateway.