4) Host A and B are communicating over a TCP connection, and Host B has already received from A all bytes up through byte 130. Suppose Host A then sends two segments to Host B back-to-back. The first and second segments contain 80 and 40 bytes of data, respectively. In the first segment, the sequence number is 131, the source port number is 301, and the destination port number is 80. Host B sends an acknowledgment whenever it receives a segment from Host A. a. In the second segment sent from Host A to B, what are the sequence number, source port number, and destination port number? b. If the first segment arrives before the second segment, in the acknowledgment of the first arriving segment, what is the acknowledgment number, the source port number, and the destination port number? c. If the second segment arrives before the first segment, in the acknowledgment of the first arriving segment, what is the acknowledament number?
4) Host A and B are communicating over a TCP connection, and Host B has already received from A all bytes up through byte 130. Suppose Host A then sends two segments to Host B back-to-back. The first and second segments contain 80 and 40 bytes of data, respectively. In the first segment, the sequence number is 131, the source port number is 301, and the destination port number is 80. Host B sends an acknowledgment whenever it receives a segment from Host A. a. In the second segment sent from Host A to B, what are the sequence number, source port number, and destination port number? b. If the first segment arrives before the second segment, in the acknowledgment of the first arriving segment, what is the acknowledgment number, the source port number, and the destination port number? c. If the second segment arrives before the first segment, in the acknowledgment of the first arriving segment, what is the acknowledament number?
Chapter9: Computer Networks
Section: Chapter Questions
Problem 10VE
Related questions
Question
![4) Host A and B are communicating over a TCP connection, and Host B has already
received from A all bytes up through byte 130. Suppose Host A then sends two segments
to Host B back-to-back. The first and second segments contain 80 and 40 bytes of data,
respectively. In the first segment, the sequence number is 131, the source port number is
301, and the destination port number is 80. Host B sends an acknowledgment whenever it
receives a segment from Host A.
a. In the second segment sent from Host A to B, what are the sequence number, source
port number, and destination port number?
b. If the first segment arrives before the second segment, in the acknowledgment of the
first arriving segment, what is the acknowledgment number, the source port number, and
the destination port number?
c. If the second segment arrives before the first segment, in the acknowledgment of the
first arriving segment, what is the acknowledgment number?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffbab036c-9883-4cc9-b7bd-33dc93c0c23c%2Fbab4c56e-7d91-4470-99ec-6878f80dbc48%2Fhxdkogl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4) Host A and B are communicating over a TCP connection, and Host B has already
received from A all bytes up through byte 130. Suppose Host A then sends two segments
to Host B back-to-back. The first and second segments contain 80 and 40 bytes of data,
respectively. In the first segment, the sequence number is 131, the source port number is
301, and the destination port number is 80. Host B sends an acknowledgment whenever it
receives a segment from Host A.
a. In the second segment sent from Host A to B, what are the sequence number, source
port number, and destination port number?
b. If the first segment arrives before the second segment, in the acknowledgment of the
first arriving segment, what is the acknowledgment number, the source port number, and
the destination port number?
c. If the second segment arrives before the first segment, in the acknowledgment of the
first arriving segment, what is the acknowledgment number?
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