TIA CCNT Exam Questions
TIA Convergent Network Technologies (Page 27 )

Updated On: 24-Feb-2026

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



STPs connect to ________ over A links.

  1. The 800 database
  2. Calling name data bases
  3. Each other
  4. Switches

Answer(s): D



Common channel signal packets are exchanged using:

  1. Routers.
  2. Bridges.
  3. STPs.
  4. Switching processors.

Answer(s): C






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