Question: Suppose Host A sends four TCP segments to Host B over a TCP connection. The first segment has sequence number 0; the second has sequence

Suppose Host A sends four TCP segments to Host B over a TCP connection. The first segment has sequence number 0; the second has sequence number 120, the third has sequence number 170 and the last one has sequence number 245. Assume sequence number used by B starts at 0 and the messages sent from B to A contains 10 bytes of data.

If the first segment arrives B. The second segment arrives after the third segment, what is the acknowledgment number in the acknowledgment segment (sent from B to A) of the second arriving segment?

a)120

b)245

C)170

D)10

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