In IP fragmentation, the Fragment Offset field value is measured in 8-byte units.

• A. True
• B. False
• C. Only for first fragment
• D. Not used

Answer: (A)

In IP fragmentation, the offset tells where this fragment’s data starts in the original datagram, and it’s expressed in eight-byte units. That means you multiply the value by 8 to get the actual byte offset into the original payload. This 8-byte granularity fits the 13-bit Fragment Offset field, giving offsets up to 8191 units (8191 × 8 = 65,528 bytes) before the last fragment. The first fragment starts at offset zero, and subsequent fragments increment by the size of the preceding fragments (in 8-byte chunks). The last fragment may finish with data that doesn’t align to an 8-byte boundary, but the offset values themselves are always in 8-byte units. So the statement is true.