Computer 1 on network A, with IP address of 10.1.1.8, wants to send a packet to Computer 2, with IP address of 10.1.1.205. Taking in consideration that computer 1 is sending a FTP request to computer 2, and the source port on computer 1 is 21086, which of the following contains the correct information for the first TCP segment of data? Source Port: 21086 Destination Port: 21 Sequence Number: 1 Acknowledgment Number: 2
Question
Computer 1 on network A, with IP address of 10.1.1.8, wants to send a packet to Computer 2, with IP address of 10.1.1.205. Taking in consideration that computer 1 is sending a FTP request to computer 2, and the source port on computer 1 is 21086, which of the following contains the correct information for the first TCP segment of data? Source Port: 21086 Destination Port: 21 Sequence Number: 1 Acknowledgment Number: 2
Solution
The information for the first TCP segment of data is correct. Here's why:
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Source Port: 21086 - This is correct because the source port number is randomly generated by the sending computer (Computer 1 in this case). It can be any number between 1024 and 65535, so 21086 is a valid source port number.
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Destination Port: 21 - This is correct because the destination port number for FTP requests is typically 21. This is the standard port for FTP services on a network.
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Sequence Number: 1 - This is correct for the first TCP segment of data. The sequence number is used to keep track of the order of the data segments being sent. It starts at 1 for the first segment.
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Acknowledgment Number: 2 - This is incorrect. The acknowledgment number should be 1 for the first TCP segment of data. This number is used to acknowledge the receipt of the previous segment. Since this is the first segment, there is no previous segment to acknowledge, so the acknowledgment number should be 1.
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