Homework Answers
Ans.) TCP cumulative acknowledgement for:
W=> Y
X=> Y
Y=> Y
Z=> Z
as the acknowledgment of X was lost, the next acknowledgement which is Y will work as cumulative acknowledgement for the host ,similar will be the case for W, Y is itself giving the conformation , and Z will give the acknowledgement in the end by itself since no other request is lined up after this.
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