Free TIA CCNT Exam Questions (page: 33)

A form of in-band interswitch signaling is:

  1. DTMF.
  2. TT.
  3. MF.
  4. SS7.

Answer(s): C



The most common service code in use in the United States is:

  1. 411.
  2. 611.
  3. 811.
  4. 911.

Answer(s): D



On loop start lines, ringing indicates:

  1. An incoming call.
  2. Charging is about to begin.
  3. DTMF signaling should be used.
  4. The modem should be disconnected.
  5. Answer pending.

Answer(s): E



A common call progress tone is:

  1. Dial tone.
  2. Power ringing.
  3. Audible ringing.
  4. Touchtone.

Answer(s): C



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