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JN0-451 · Question #21

JN0-451 Question #21: Real Exam Question with Answer & Explanation

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Question

What do 802.11 stations perform to help avoid collisions on the WLAN medium?

Options

  • A802.11 stations detect collisions and set a back-off timer.
  • BListen to verify that the medium is free before transmitting.
  • CStations only transmit when polled by the access point.
  • DTransmit on a fixed schedule.

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