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650-756 · Question #28

In DWDM terminology, what is "grey light"?

The correct answer is C. Short-reach wavelengths. See the full explanation below for the reasoning.

Question

In DWDM terminology, what is "grey light"?

Options

  • AA darker version of white light.
  • BAn attenuated signal of any wavelength.
  • CShort-reach wavelengths.
  • DViolet light of higher frequencies, bordering on invisible ultraviolet.

How the community answered

(64 responses)
  • A
    8% (5)
  • B
    13% (8)
  • C
    77% (49)
  • D
    3% (2)

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