Free H12-311 Exam Braindumps (page: 18)

Page 17 of 75

The modulation methods adopted by DSSS are BPSK and QPSK respectively.

  1. True
  2. False

Answer(s): A



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






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