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Вопрос 341

In an ARQ mode, what is meant by a NAK response to a transmitted packet?

  1. Request retransmission of the packetПравильный ответ
  2. Packet was received without error
  3. Receiving station connected and ready for transmissions
  4. Entire file received correctly

Объяснение

NAK is the negative acknowledgement: it reports that the received block failed its error check, so the sending station must transmit that packet again.

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Вопрос 341: In an ARQ mode, what is meant by a NAK response to a… · FCC General Class (Element 3) · Questena