Free CCNT Exam Braindumps (page: 22)

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Digital loop carriers support:

  1. Digital load coils.
  2. High-bandwidth data services.
  3. D type channel banks.
  4. Frequency-division multiplexing.

Answer(s): B



There may be no IXC switches in:

  1. Large cities.
  2. Suburban areas.
  3. Rural towns.
  4. Cellular SMSAs.

Answer(s): C



Dimensioning is:

  1. Developing digital switches.
  2. Designing networks for efficient equipment use.
  3. Specifying the boundaries of wire centers.
  4. Specifying outside plant design criteria.

Answer(s): B



Stored program control is used in:

  1. Fiber optic transmission systems.
  2. Step by step switches.
  3. Early crossbar switches.
  4. Both digital and analog switches.

Answer(s): D






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