Question 3 Supported by its \"sky network + ground network + information network,\" SF Express provides not only basic services such as express courier services, freight forwarding and cold-chain transportation, but also services such as warehousing, higrdata analytics and cloudrbased supply chain management (Wang, a! all, 2018]. (a) Examine the role of the information network developed by SF Express to support the use of new technologies and facilities such as smart pickup boxes, unmanned aerial vehicles and robots suggested by the postal authority to promote the delivery service. Give relevant evidence and proper citation in your answer. [10 marks) (b) One of SF Express's competitive advantages is its differentiation strategy. SF Express not only differentiates itself from competitors with more value-added services and positioning, but also articulates such differentiation to its customers. How did SF Express leverage on big-data analytics and cloudrbased supply chain management to gain a better differentiation strategy? Your answer should consider the data handled by SF Express and the benefits from adopting big-data analytics andfor cloud computing in differentiation. [15 marks) Question 4 From 213 to EUIIS, there were at least four separate cases of personal data theft from different subsidiaries of SF Express, where personal information of customers stored in the Asura system was downloaded and sold (Wang, et at, EDIE). (a) What are your views on the information security issues faced by SF Express related to the leakage of sensitive data? Propose an appropriate information security mechanism to better protect customers\" personal information. Give reasons to support your answer. [15 marks) (b) Refer to Exhibit 3 in the given case. Comment on why Cainiao's new business model, the errN model, is more secure than the existing N-N model. Give reasons to support your answer. (If) marks)