Explain Reference OSI Model. How is the data transmission done in OSI Model?
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OSi is Open Systems Interconnection Model.it has 7 layer.
data transmission in transport layer.
physical layer : data transfer from pc to other node via cable.
Data linklayer: data transfer in segement part.
Transport layer : is important .it has ip address of source and destination address.
you have physical address , dynamically assigned public ipaddress by dhcp. data transfer from pc to router and router is used to move data from one network to other network.
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