Draw a diagram for Internet structure from Tier 1to Tier 3. Also explain the role of Tier 1 ISPs… 1 answer below »

Part B: Answer the Following Questions

1. Draw a diagram for Internet structure from Tier 1to Tier 3. Also explain the role of Tier 1 ISPs in details. (5 Marks)

2. Outline the steps taken by Network designer to design a Network for any business. (5 Marks)

3. How the User Cantered Design (UCD) can decided the success and failure of any Design? Give an example that how a poorly designed interface can lead a product towards failure. (5 Marks)

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