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NIELIT 2016 MAR Scientist C - Section C: 22

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What are the primary characteristics that distinguish a cell from a packet?

  1. cells are generally smaller that packets
  2. cells do not incorporate physical address
  3. all cells have the same fixed length
  4. packet cannot be switched

1 Answer

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option C will be correct. Because all cell are of fixed size 53 bytes. Cells are used in ATM(Asynchronous Transfer Mode).Each cell has 5 bytes for header and 48 bytes for payload.Packets size can very from one packets to another.
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