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Ques. Difference between OSI Model And TCP/IP model? Ans-

OSI Model TCP/IP Model
It guarantees the delivery of data packets It doesn't guarantees the delivery of data packets
It contains 7 layers i.e. Physical,Data Link,Network,Transport,Session and Presentation Layer It contains 5 layers i.e. Physical, Data Link,Network,Transport and Application Layer
Its full form is Open System interconnection Its full form is Transmission Control Protocol/Internet working protocol
It follows Horizontal approach It follows Vertical approach
It was developed by ISO(International Standard Organization) It was developed by department of defense
It contains separate Session Layer and Presentation Layer It combines the Session layer and Presentation layer into Application Layer
It provides Connection-Oriented and Connection-less service It provides Only Connection-less service
It works on the layer functioning It is based on Protocol