A TCP/IP transfer is diagrammed in the exhibit.
A window size of three has been negotiated for this transfer.
Which message will be returned from the receiver to the sender as part of this TCP/IP transfer?
A. Send ACK 1-3
B. Send ACK 3
C. Send ACK 4
D. Send ACK 4-6
E. Send ACK 6
F. Send ACK 7
