a) Illustrate when timeout events happen in the fifigure. b) Compare slow start and congestion avoidance. Give two reasons why slow start is used, and when slow start does a better job. c) Identify the intervals when slow start is used in the above fifigure. Identify which of the above reasons apply for each interval, why. (d) Identify the intervals when congestion avoidance is used. Illustrate why it is used instead of slow start in these intervals. (e) Identify the intervals when fast retransmission is used. Illustrate why and how it is used. (f) Identify the intervals when TCP fast recovery is used. Illustrate why and how it is used. (g) Identify the intervals when fast recovery could happen, but not. Give one specifific scenario that may prevent fast recovery from happening.

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