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Free CCNT Exam Braindumps
TIA Convergent Network Technologies Questions 71–75 (page: 16)

Updated On: 9-Feb-2026
Page 16 of 213
PDF with 1057 Questions

The most common codec uses:

  1. Adaptive pulse code modulation.
  2. Pulse code modulation.
  3. Delta modulation.
  4. Frequency modulation.

Answer(s): B



The three steps in PCM are _______, quantizing, and companding.

  1. Compression
  2. Expansion
  3. Sampling
  4. Conversion

Answer(s): C



Law and Mu law are:

  1. European and U.S. standards, respectively.
  2. Ways of performing the FDM function.
  3. Incompatible systems (calls cannot be made between the two).
  4. Optical carrier modulation methods.

Answer(s): A



A 4 kilohertz signal must be sampled at _________ to be accurately reproduced after conversion to digital.

  1. Frequent intervals
  2. 64 kilobits/second
  3. 8 kilohertz
  4. Every 125 milliseconds

Answer(s): C



Adaptive predictive coding techniques are used in:

  1. Digital switching.
  2. Modern voice codecs.
  3. Obsolete voice codecs.
  4. Optical multiplexing.

Answer(s): B



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