Which of the following description of the 100G mixed transmission system is wrong?

Question

Options

• ACoherent and non-coherent signals (10G and 40G ODB will affect each other, resulting in a sharp drop
• B40G DQPSK and coherent signals will not affect each other without isolation band
• C10G starts from a short wavelength, and the isolation band can be filled with 40G DQPSK wavelength
• DThe cost of mixed transmission is related to the number of transmission spans and the width of the

• A
  7% (3)
• B
  11% (5)
• C
  2% (1)
• D
  80% (37)

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