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Delimiting and synchronization of data exchange is provided by __________(a) Application layer(b) Session layer(c) Transport layer(d) Link layerThe question was asked in a job interview.Question is from Reference Models topic in portion Computer Networks Introduction of Computer Network

Answer»

Right option is (b) SESSION layer

To elaborate: The session layer provides the mechanism for opening, closing and managing a session between end-user application processes. The session layer 5 is responsible for establishing managing SYNCHRONIZING and terminating sessions. In TCP/IP protocol stack, the functions of the session layer are handled by the TRANSPORT layer itself and thus the session layer is MISSING from the TCP/IP MODEL.



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