Question 31

The reasons for the discrete business are? (Multiple choice)
  • Question 32

    Since the CWDM system does not use an optical amplifier, the focus of the commissioning is whether the light collection of the OTU board is reasonable.
  • Question 33

    Which of the following service layer paths is required when creating OCh using the path method?
  • Question 34

    In the WDM system, after a certain distance of transmission, the optical signal-to-noise ratio of the receiving signal will be reduced to a certain extent. What is the main reason?
  • Question 35

    Which of the following ROADM boards have WSS optical modules? (Multiple Choice)