A Wireshark trace of TCP traffic between hosts A and B indicated the following segments. A sent a segment of 0 bytes data payload to B with FIN flag set, sequence number 1000 and ACK number 500. Later B sent a segment of 0 bytes data with FIN flag set, sequence number 500 and ACK number 1001. What is the state of the connection in host B after receiving FIN from A______________________ and after sending its FIN to A __________________________?

A Wireshark trace of TCP traffic between hosts A and B indicated the following segments. A sent a segment of 0 bytes data payload to B with FIN flag set, sequence number 1000 and ACK number 500. Later B sent a segment of 0 bytes data with FIN flag set, sequence number 500 and ACK number 1001. What is the state of the connection in host B after receiving FIN from A and after sending its FIN to A ____?

A+ Guide To It Technical Support

10th Edition

ISBN:9780357108291

Author:ANDREWS, Jean.

Publisher:ANDREWS, Jean.

Chapter8: Network Infrastructure And Troubleshooting

Section: Chapter Questions

Problem 8TC

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Host A and B are communicating over a TCP connection, and Host B has already received from A all bytes up through byte 126. Suppose Host A then sends two segments to Host B backto-back. The first and second segments contain 80 and 40 bytes of data, respectively. In the first segment, the sequence number is 127, the source port number is 302, and the destination port number is 80. Host B sends an acknowledgment whenever it receives a segment from Host A. d. Suppose the two segments sent by A arrive in order at B. The first acknowledgment is lost and the second acknowledgment arrives after the first timeout interval. Draw a timing diagram, showing these segments and all other segments and acknowledgments sent. (Assume there is no additional packet loss.) For each segment in your figure, provide the sequence number and the number of bytes of data; for each acknowledgment that you add, provide the acknowledgment number.
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