Question: A-Define what computer network is (1I Mark) and explain the difference between LAN and WAN. (I Mark) Explain VPN, and its benefits to organizations (2

A-Define what computer network is (1I Mark) and explain the difference between LAN and WAN. (I Mark)

Explain VPN, and its benefits to organizations (2 Mark) 2) Discuss the advantage of VOIP (1 Mark)

Define Enterprise systems by demonstrating its main functionalities (2 Marks) and the challenges of such systems for the companies. (2 Marks)

Question 4 (3 Discuss the Churn Rate and why it is important for companies to care about it. (3 Marks) Answers:

Push-based VS. Pull-based supply chain models, explain which one is better and why? (1.5 Marks) Discuss the global issues of supply chain, and how the internet helped to overcome these challenges. (1.5 Marks) Answers:

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