information systems it

1.  Describe the key components of a data communication system. Next, discuss the overall manner in which a company uses data communication in order to reduce its operations cost. Include one (1) example of such a reduction in operation costs to support your response.

2. Describe the fundamental advantages and disadvantages of e-commerce, as compared to traditional commerce. Next, identify what you believe to be the most widely used business model of e-commerce, and give your opinions as to why the model you have identified is most widely used. Justify your response.

3. It is common knowledge that Cyber Monday is a most commonly known event in the e-commerce world. Explain the main reasons, related to security, why Cyber Monday may not be as important as it once was. Provide a rationale for your response.

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