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PURE ALOHA

  • A.Does not require global time synchronization
  • B.does require global time synchronization
  • C.both (a) and (b)
  • D.none of these

Answer: A

Correct answer: Does not require global time synchronization

Pure ALOHA lets a station transmit the moment it has data, so no station needs to know where any slot boundary lies. Slotted ALOHA gains throughput precisely by imposing that synchronisation.

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