Free H12-311_V3.0 Exam Braindumps
HCIA-WLAN V3.0 Questions 91–95 (page: 20)

Updated On: 10-Feb-2026

In an 802.11 frame, what kind of control message () should be sent by the terminal to obtain access to the wireless medium?

  1. RTS
  2. CTS
  3. ACK
  4. PS-Poll

Answer(s): A



exist 802.11 In the frame, which type of message is used by the terminal to receive data packets in the power-saving mode?

  1. RTS
  2. CTS
  3. ACK
  4. PS-Poll

Answer(s): B



802.11 In the frame, RTS and CTS What is the interframe interval between ()?

  1. SIFS
  2. IFS
  3. DIFS
  4. PIFS

Answer(s): A



After one data frame is sent and confirmed, what is the time interval to wait before sending the next data frame ()?

  1. SIFS
  2. IFS
  3. DIFS
  4. PIFS

Answer(s): C



In the WDS point-to-point network, the backbone link between Root AP and Leaf AP is connected in the 5GHz frequency band. The frequency band is 149.
Which of the following frequency bands () should Leaf AP use?

  1. 149
  2. 153
  3. 157
  4. Apart from 149 It will be all right

Answer(s): A



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