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OSI Model (7 Layers (Transport (Delivery of a message from one process to…

- - - - As mentioned above the segments will be reassembled back to the original data and uses the port number to determine the application to send the data.
  - - - removes the IP header and convert the packets back to segments and pass them to transport layer.
  - - - uses the session information to determine which communication stream the data belongs to.
  - - - here the date link headers get removed and convert the frames back to packets and will pass to the network layer.
  - - - this layer uses the information passed by the session layer to be able to interpret the data for the specific machine.
  - - - reads the bits from the physical medium and will convert them into frames to send to the data link layer.
  - - - The application will read the SMTP commands that the application layer on the sender sent and hence email will be received.