Free RCDD-002 Exam Braindumps (page: 4)

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All of the following are nominal wavelengths for laser light sources EXCEPT:

  1. 700 nm
  2. 850 nm
  3. 1300 nm
  4. 1310 nm
  5. 1550 nm

Answer(s): A



Wave division multiplexing (WDM) is most similar to:

  1. Amplitude modulation
  2. Frequency modulation
  3. Time division multiplexing
  4. Frequency division multiplexing
  5. Carrier sense multiple access with collision detection (CSMA/CD)

Answer(s): D



The conversion of an analog speech signal to a pulse code modulation (PCM) digital signal involves all of the following steps EXCEPT:

  1. Low pass filtering
  2. Periodic sampling
  3. Quantizing
  4. Companding
  5. Amplitude modulation

Answer(s): E



Composite conductors, although not generally recommended, may be used in special circumstances because they provide all of the following advantages EXCEPT:

  1. Have good digital transmission characteristics
  2. Lightweight
  3. Inexpensive
  4. Easy to produce
  5. Easily embedded into other materials

Answer(s): A






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