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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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