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  5. H12-311

Free H12-311 Exam Braindumps (page: 25)

Page 24 of 75
PDF with 299 Questions

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

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

Answer(s): A



When a data frame is sent and acknowledged, what is the time interval to wait before the next data frame is sent ()?

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

Answer(s): C



In the WDS peer-to-peer network, the backbone link between the Root AP and the Leaf AP is connected in the 5 GHz band. The bandwidth used by the Root AP is 149. Which of the following bands should the Leaf AP use?

  1. 149
  2. 153
  3. 157
  4. Except for 149

Answer(s): A



MIMO (Multiple input and multiple output), that is, multiple input and multiple output, wireless access points and clients using 802.11n technology can simultaneously transmit data using up to three spatial streams, and the theoretical rate can reach 600 Mbps.

  1. True
  2. False

Answer(s): B






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