Free H13-341 Exam Braindumps (page: 3)

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Dispersion compensation is not required for 40Gbit/s and 100 Gbit/s coherent systems because the dispersion tolerance of coherent boards is large. NG WDM products do not support hybrid transmission of non-coherent and coherent networks.

  1. True
  2. False

Answer(s): A



ESC can also be used at OLA sites.

  1. True
  2. False

Answer(s): B



Which of the following statements about the modulation technologies of the 40Gbit/s and 100Gbit/s coherent systems are correct?

  1. The modulation technology used in a 100G coherent system is ePDM-QPSK.
  2. The modulation technology used in a 40G coherent system is ePDM-BPSK.
  3. The modulation technology used in a 40G coherent system is ePDM-QPSK.
  4. The modulation technology used in a 100G coherent system is ePDM-BPSK.

Answer(s): A



In a WDM system, after a distance of transmission, the OSNR of the signals at the receive end decreases to a certain extend. Which of the following is the main cause?

  1. Use of EDFA
  2. The fiber attenuation is too large.
  3. New optical fiber is not used.
  4. Use of Demultiplexer Multiplexer

Answer(s): B






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