1. Conduct a meeting with the client and confirm specific requirements, including information about the current network infrastructure 2. Draw a current network diagram and identify existing network components 3. Research and develop a solution for the new requirements 4. Draw a proposed physical network topology diagram 5. Draw a proposed logical network topology diagram 6. Briefly explain how the proposed design will meet business requirements

| November 30, 2018

Q1 [6 points, Key Distribution]

Suppose that users A and B use the key distribution protocol shown in the figure below (also refer to the lecture slides of week 7 and Chapter 14 in the textbook). This key distribution includes 5 steps numbered (1) to (5) in the figure. Answer the following questions.

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