Free H31-311 Exam Braindumps (page: 4)

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The coherent receiver technology uses the local oscillator laser that has the same frequency as received signals to perform coherent processing and recovers the ( ) information from the received signals. (Multiple Choice)

  1. Phase
  2. Frequency
  3. Polarization state
  4. Amplitude

Answer(s): A,C,D



Which of the following is not a condition for triggering multiplex section protection (MSP)?

  1. The MS-AIS signal is detected.
  2. AU-AIS is detected.
  3. R-LOS is detected.
  4. R-LOF is detected.

Answer(s): B



Which of the following is the meaning of "L" in the optical module parameter "L-64.2"?

  1. Transmission distance
  2. Dispersion coefficient
  3. Transmit wavelength
  4. Receive wavelength

Answer(s): A



Which of the following methods can be used to multiplex lower-order ODUk to higher-order ODUk?

  1. Time division multiplexing
  2. Wavelength division multiplexing
  3. Space division multiplexing
  4. Frequency division multiplexing

Answer(s): A






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