Suppose Host A sends two TCP segments back to back to Host B over a TCP connection.

Suppose Host A sends two TCP segments back to back to Host B over a 

TCP connection. The first segment has sequence number 115; the second has sequence 

number 190. 

a, How much data is in the first segment? b, Suppose that the first segment is lost but the second segment arrives at B. In the 

acknowledgement that Host B sends to Host A, what will be the acknowledgement 

number?

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