Problem 3. TCP Sequence and ACK numbers (20 pt.) a. Determine A-D in the following scenarios. Explain why briefly Host A Host B User types XYZ Seg-2, ACX-9, data - "XYZ 3 bytes) host AOXs receipt of "XYZ', echoes back "XYZ Seq=A, ACK=B, data = 'XYZ' 13 bytes) host ACKS receipt of echoed "XYZ SequC, ACK-D_data"XYZ (3 bytes)