Computers and Technology

Suppose Host A sends Host B a TCP segment encapsulated in an IP datagram. When Host B receives the datagram, how does the network layer in Host B know it should pass the segment (that is, the payload of the datagram) to TCP rather than to UDP or to some other upper-layer protocol?

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Suppose Host A sends Host B a TCP segment encapsulated in an IP datagram. When Host B receives the d...

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