A.In Figure 8.61, assume that the weight in each class is 4, 2, and 1. The packets in the top queue are labeled A, in the middle queue B, and in the bottom queue C. Show the list of packets transmitted in each of the following situations:
a. Each queue has a large number of packets.
b. The numbers of packets in queues, from top to bottom, are 10, 4, and 0.
c. The numbers of packets in queues, from top to bottom, are 0, 5, and 10.
B. In a leaky bucket used to control liquid flow, how many gallons of liquid are left in the bucket if the output rate is 5 gal/min, there is an input burst of 100 gal/min for 12 s, and there is no input for 48 s?