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TIA CCNT Exam
TIA Convergent Network Technologies (Page 17 )

Updated On: 30-Jan-2026
Page 17 of 213
PDF with 1057 Questions

Which of the following best describes ATM quality of service (QoS)?

  1. ATM has poor quality of service for voice and video.
  2. ATM alters QoS parameters to fit the application.
  3. ATM has good QoS for voice and data, but not video.
  4. ATM has no particular QoS standards.
  5. Answer pending.

Answer(s): E



ATM reduces delay by:

  1. Preventing need for retransmission by reducing errors in the cells.
  2. Mapping ATM cells onto SONET, using the full bandwidth.
  3. Prioritizing voice and video cells.
  4. Increasing transmission speed of voice and video cells.
  5. Answer pending.

Answer(s): E



How does ATM reduce delay for voice and video?

  1. Prioritizing voice and video cells
  2. Increasing transmission speed of voice and video cells
  3. Mapping ATM cells onto SONET, using the full bandwidth
  4. Preventing need for retransmission by reducing errors in the cells
  5. Answer pending.

Answer(s): E



Which of the following does ATM use to reduce delay for voice and video?

  1. Mapping ATM cells onto SONET, using the full bandwidth.
  2. Prioritizing voice and video cells.
  3. Preventing need for retransmission by reducing errors in the cells.
  4. Increasing transmission speed of voice and video cells.

Answer(s): A



Which of the following is a unique numerical tag that identifies the route used by individual cells?

  1. Virtual channel
  2. Virtual channel identifier
  3. Virtual path
  4. Virtual path identifier
  5. Answer pending.

Answer(s): E



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