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GO Classes Test Series 2025 | NIELIT Mock Test 1 | Question: 118

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Which of the following statements about datagrams sent by a node in a network using $\textsf{IPv4}$ protocol is (are) true?

  1. Datagrams at the source must be the size of the smallest maximum transmission unit (MTU) of all the links on a path to the destination.
  2. Datagrams may be fragmented during routing.
  3. Datagrams are reassembled only at the destination.

 

  1. I only
  2. II only
  3. III only
  4. II and III

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Option D

A is NOT correct because it is not necessary to have the fragmentation done at the senders only, it can be done at the routers also.
Meanwhile reassembling happens only at the destination.
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