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Free CCNT Exam Braindumps (page: 16)

Page 15 of 265
PDF with 1057 Questions

Load coils equalize attenuation by:

  1. Attenuating lower frequencies more than higher frequencies.
  2. Attenuating higher frequencies more lower frequencies.
  3. Attenuating both low and high frequencies.
  4. Amplifying central frequencies.

Answer(s): D



Load coils on long loops are being replaced by:

  1. Digital amplifiers.
  2. Subscriber switches.
  3. Digital loop carrier.
  4. Digital channel banks.
  5. Answer pending.

Answer(s): E



A multiplexer:

  1. Switches analog signals.
  2. Replaces analog channel banks.
  3. Converts signals from digital to analog or vice versa.
  4. Combines a number of different signal sources into a single stream.

Answer(s): D



The most frequently used method of analog multiplexing is called:

  1. Frequency division multiplexing.
  2. Pulse amplitude modulation.
  3. Pulse code modulation.
  4. Phase multiplexing.

Answer(s): A






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