Huawei Certified ICT Associate – WLAN (HCIA-WLAN) — Question 6

Which of the following 802.11 fames is used to receive data packers by a STA working, in power-saving mode?

Answer options

• A. RTS
• B. CTS
• C. ACK
• D. PS-Poll

Correct answer: B

Explanation

The correct answer is B, CTS (Clear To Send), which is used to inform a STA that it can receive data after a request has been made. The other options, such as RTS (Request To Send) and ACK (Acknowledgment), serve different purposes in the communication process, while PS-Poll is specifically used by STAs to request buffered frames from the access point.