Physics · Computer Networks
In an IPv4 packet header, what does a value such as 0x58D3 in the Identification (Identifier) field signify?
- 1It indicates that the packet is the first fragment of a larger packet
- 2It indicates that the packet is the last fragment of a larger packet
- 3It is a unique number assigned to the entire datagram by the source host to help reconstruct fragmented packets✓
- 4It is a number indicating the sequence of the fragment
Correct answer
It is a unique number assigned to the entire datagram by the source host to help reconstruct fragmented packets
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