TRANSPORT LAYER
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An ACK number of 1000 in TCP always means that
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999 bytes have been successfully received
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1000 bytes have been successfully received
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1001 bytes have been successfully received
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None of the above
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Explanation:
Detailed explanation-1: -If the initial sequence starts from 1 then, ACK number = 1000 means 999 bytes have been successfully delivered.
Detailed explanation-2: -The sequence number is left at 1, since no data has been transmitted since the last packet in this stream. The acknowledgement number is also left at 1, since no data has been received from the server, either. Note that this packet’s payload is 725 bytes in length.
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