HPE6-A85 · Question #65
What does a wireless client do first when its countdown timer reaches zero and it receives a Transmit Opportunity (TXOP)?
The correct answer is A. It immediately sends its Data Frames and receives an ACK from the AP. When a wireless client's countdown timer (also known as a backoff timer) reaches zero during contention-based access periods, and it receives a Transmit Opportunity (TXOP), it has the right to transmit its data frames on the medium. After sending the data frames, it expects an…
Question
What does a wireless client do first when its countdown timer reaches zero and it receives a Transmit Opportunity (TXOP)?
Options
- AIt immediately sends its Data Frames and receives an ACK from the AP.
- BIt sends a CTS-to-self announcement to the ESP gateway.
- CIt sends a CTS-to-self announcement to the AP and all other clients.
- DIt sends a reassociation request frame to the AP and sends its Data Frames.
How the community answered
(13 responses)- A92% (12)
- C8% (1)
Explanation
When a wireless client's countdown timer (also known as a backoff timer) reaches zero during contention-based access periods, and it receives a Transmit Opportunity (TXOP), it has the right to transmit its data frames on the medium. After sending the data frames, it expects an acknowledgment (ACK) from the Access Point (AP) to ensure the frames were received
Topics
Community Discussion
No community discussion yet for this question.