network models
(What is OSI (open system interconnection model
OSI model models created by ISO (international standards organization
Application
Preparing data &
supporting application services
Presentation
Encrypt & decrypt data to be
sent across a network
Session
Establish , manage and
terminate connections between applications
Transport
Segmentation data ,
sequencing , flow control , error detection , error correction and
Acknowledgments
Network (set ip addressing and make data segmentation )
Create a logical paths for
transmitting data from node to node , including switching , routing , and
forwarding .
Datalink
Set mac addressing and packet data and determine
logical link control
Physical :
Conveys the bit stream
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