TCP/IP hdr checksum : what method is used ?

Answer Posted / xxx

CRC(cyclic redundancy check)code is a method to find
out the mismatch in the datagram.CRC is a 16-bit check sum
used to calculate by dividing header bytes into words and
then adding together.the same operation will be done by the
receiving device.if there is any mismatch,then it will
discard.

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