Which of the following fields in IPv 4 datagram is not related to fragmentation?
2015
Which of the following fields in IPv 4 datagram is not related to fragmentation?
- A.
Type of service
- B.
Fragment offset
- C.
Flags
- D.
Indentification
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Correct answer: A
Answer: Type of service is not related to fragmentation.
Key fragmentation-related fields in the IPv4 header:
Identification — identifies fragments that belong to the same original datagram for reassembly.
Flags — include the Don't Fragment (DF) bit and the More Fragments (MF) bit to control fragmentation behavior.
Fragment Offset — indicates the position of this fragment within the original datagram so the receiver can assemble fragments in order.
Type of service is used for packet priority and handling (quality-of-service) and does not participate in fragmentation, so it is the correct choice for the field that is not related to fragmentation.