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Which field helps to check rearrangement of the fragments?(a) offset(b) flag(c) ttl(d) identifierThe question was posed to me in a national level competition.This is a very interesting question from IPV4 and IPV6 Comparision topic in chapter TCP/IP Protocol Suite of Computer Network

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Correct ANSWER is (a) offset

To explain: The FRAGMENT Offset field specifies where the fragment fits in the original DATAGRAM. The offset of the first fragment will ALWAYS be 0. The SIZE of the field (13 bits) is 3-bits shorter than the size of the total length field (16 bits).



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