Question Bank - Computer Networks

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What is the maximum size of data that application layer can pass on to the TCP layer below?

A.
Any size
B.
(216 bytes - the size of TCP header)
C.
216 bytes
D.
1500 bytes

Solution:

RFC 1122TerminologyTCP/IP LayerMaximum Size (bytes)OSI LayerMessageApplication layerAny sizeApplication LayerSessionLayerPresentation LayerSegmentTransport Layer1460Transport LayerPacket (Fragment)Internet Layer1480Network LayerFrame Link Layer1500Data Link LayerPhysical LayerExplanation:It's the transport layer responsibility to divide data into fragments/ packets. Application layer is free from it and need not have the size restrictions.Therefore option 1 is correct

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