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In a stop-and-wait ARQ system, the transmitting terminal

  • A.waits for positive or negative acknowled-gement from the receiving terminal after sending a block
  • B.sends another block if positive acknowledge is received through ACK character
  • C.resends the previous block if negative acknowledgement is received through a NAK character
  • D.does not wait for acknowledgement after sending a block

Answer: D

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