QUESTION 3 (20 Marks) Electronic commerce (e-commerce) is defined as sharing business information, maintaining business relationships, and conducting business transactions through the use of telecommunication networks. Using practical examples, demonstrate how FIVE (5) key features of e-commerce benefits the business and customer. QUESTION 4 (20 Marks) Voice-over-Internet Protocol (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. 4.1 Analyse the benefits and drawbacks of Voice-over-Internet Protocol (VoIP). (10 marks) 4.2 Using practical examples, report on FIVE (5) ways in which virtual computing can help an organization to reduce costs. (10 marks) QUESTION 5 (20 Marks) A point of sale (POS) transaction may occur in person or online, with receipts generated either in print or electronically. Evaluate the benefits and drawbacks of a point of sale (POS) system within an organization