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A packet has arrived in which the offset value of second frame is 450, the header length is 20 and the value of total length field is 1000. What is the number of the first byte in the first frame and the last byte in the last frame if the size of IP packet is 3500 B.

  1. 2620, 6539
  2. 2619, 6540
  3. 2620, 6540
  4. 2622, 6539

I'm confused here that if offset value of second frame is $450$ then 1st frame consisted of $450 \times 8 = 3600B$. that's more than the data we want to send.

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