72a67e98_of_OSI_Layer___COMPUTER_KORNER__to_send_a_parcel_to_his_friend
[User] Data Link [Boss] Mail Service
When the Mail Service Department, receives the packets it adds the physical address of the office, which is the house number, and then makes a check of the packets for any mismatch or loss by the above layers. Then places the result on the packets, and now what we have is a Frame. Again the Frame has to have some kind of medium so that it can reach the receiving party. It decides the medium and then hands over to the decided medium.
Tips to Remember the functions of OSI Layer ~ COMPUTER KORNER
Decides to send a parcel to his friend