Free H12-311 Exam Braindumps
HCIA-WLAN V2.0 Questions 66–70 (page: 15)

Updated On: 10-Feb-2026

Spread-spectrum technology is the basis for transmitting wireless data using the ISM band.

  1. True
  2. False

Answer(s): A



Radio frequency mainly uses spread spectrum technology. Which of the following technologies belong to Spread 2 Answers?

  1. FHSS
  2. DSSS
  3. QPSK
  4. OFDM

Answer(s): A,B



The antenna configuration of MIMO is usually expressed as "M*N", where what does M and N mean (Select 2 Answers)?

  1. M indicates the number of transmission antennas
  2. N indicates the number of transmission antennas
  3. N indicates the number of receiving antennas
  4. M indicates the number of receiving antennas

Answer(s): A,C



In a point-to-multipoint networking environment, one device acts as a central device, and all other devices establish wireless bridges with the central device to interconnect multiple networks. The disadvantage is that the interworking of multiple branch networks requires data forwarding through the central bridge device.

  1. True
  2. False

Answer(s): A



Which of the following options are part of the 802.11b/g protocol (Select 3 Answers)?

  1. Different throughput capabilities
  2. Different protocols use different technologies
  3. Different data rates supported
  4. Different working bands

Answer(s): A,B,C



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