How are port numbers used in the TCP/IP encapsulation process?

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How are port numbers used in the TCP/IP encapsulation process?

  • Source port numbers and destination port numbers are not necessary when UDP is the transport layer protocol being used for the communication.
  • Source port and destination port numbers are randomly generated.
  • If multiple conversations occur that are using the same service, the source port number is used to track the separate conversations.
  • Destination port numbers are assigned automatically and cannot be changed.
    Answers Explanation & Hints:

    Both UDP and TCP use port numbers to provide a unique identifier for each conversation. Source port numbers are randomly generated and are used to track different conversations. Destination port numbers identify specific services by using either a default port number for the service or a port number that is assigned manually by a system administrator.

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CCNA 1 v7 & v7.02 – ITN v7 – Modules 14 – 15: Network Application Communications Exam Answers 2023 Full 100%

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