How does a client computer determine what source port number to assign to a UDP header?
- The port number is random within the range of dynamic port numbers.
- The port number is based on a well-known port number that is open on the destination device.
- The port number is based on the application that created the data.
- The port number is based on a well-known port number that is assigned to the application on the sending device.
Explanation: The destination port number is normally a well-known or registered port number that is open on the destination device such as a server. The source port is randomly generated by the client computer from the 49152 to 65535 range.
Exam with this question: Networking Essentials (Version 2) - Modules 9 - 12: Data Communications and Network Services Group Exam
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