TCP segment format. For the given function of a field in the TCP segment, select the name of that field from the pull-down list.Group of answer choicesThis field contains the port number associated with the sending socket for this TCP segment.This field contains application data that was written into a socket by the sender of this TCP segment.This field contains the index in the sender-to-receiver byte stream of the first byte of that data in the payload carried in this segment.This field contains the index in the byte stream of the next in-order byte expected at the receiverIf set, this segment cumulatively ACKs all data bytes up to, but not including, the byte index in the ACK value field of this segment.This field contains the number of available bytes in the TCP receiver’s buffer.This field contains the Internet checksum of the TCP segment and selected fields in the IP datagram header.This field contains the number of bytes in the TCP header.
Question
TCP segment format. For the given function of a field in the TCP segment, select the name of that field from the pull-down list.Group of answer choicesThis field contains the port number associated with the sending socket for this TCP segment.This field contains application data that was written into a socket by the sender of this TCP segment.This field contains the index in the sender-to-receiver byte stream of the first byte of that data in the payload carried in this segment.This field contains the index in the byte stream of the next in-order byte expected at the receiverIf set, this segment cumulatively ACKs all data bytes up to, but not including, the byte index in the ACK value field of this segment.This field contains the number of available bytes in the TCP receiver’s buffer.This field contains the Internet checksum of the TCP segment and selected fields in the IP datagram header.This field contains the number of bytes in the TCP header.
Solution
The fields in the TCP segment corresponding to the given functions are:
- This field contains the port number associated with the sending socket for this TCP segment - Source Port
- This field contains application data that was written into a socket by the sender of this TCP segment - Data
- This field contains the index in the sender-to-receiver byte stream of the first byte of that data in the payload carried in this segment - Sequence Number
- This field contains the index in the byte stream of the next in-order byte expected at the receiver - Acknowledgment Number
- If set, this segment cumulatively ACKs all data bytes up to, but not including, the byte index in the ACK value field of this segment - ACK Flag
- This field contains the number of available bytes in the TCP receiver’s buffer - Window Size
- This field contains the Internet checksum of the TCP segment and selected fields in the IP datagram header - Checksum
- This field contains the number of bytes in the TCP header - Data Offset
Similar Questions
Why are port numbers included in the TCP header of a segment?Question 15Select one:a.to indicate the correct router interface that should be used to forward a segmentb.to identify which switch ports should receive or forward the segmentc.to determine which Layer 3 protocol should be used to encapsulate the datad.to enable a receiving host to forward the data to the appropriate applicatione.to allow the receiving host to assemble the packet in the proper order
Which field in a Transmission Control Protocol (TCP) header provides the next expected segment? Data offset Sequence number Checksum Acknowledgement number
Question 2Which field in the TCP header provides the information for the receiving network device to understand where the actual data payload begins? 1 pointAcknowledgement numberSequence numberData offsetChecksum
c) In a TCP connection, the initial sequence number at the client site is 2717. The client opens the connection, sends three segments, the second of which carries 1000 bytes of data, and closes the connection. What is the value of the sequence number in each of the following segments sent by the client? [2 Marks] i) The SYN segment ii) The data segment iii) The FIN segment
Which Transmission Control Protocol (TCP) flag is used to make sure the receiving end knows to examine the sequence number field? PSH RST SYN FIN
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