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Cisco Voice Over IP Sample Questions:

1. Which dial plan characteristic shows the most obvious improvement by dropping a number translation step?

A) availability
B) hierarchical design
C) scalability
D) post-dial delay

2. Refer to the exhibit. Will these delays meet the G.114 recommendation for one-way delay?

A) Yes, they will meet the recommendation, provided the administrators understand the implications.
B) No, but they will be acceptable for time-sensitive transaction processing.
C) No, they will not meet the recommendation for general network purposes.
D) Yes, they will meet the recommendation for most user applications.

3. In E1 CAS, where are framing and signaling states carried?

A) the first and sixteenth time slot
B) 6th and 12th frame
C) the first and seventeenth time slot
D) 6th, 12th, 18th, and 24th frame

4. One voice packet is lost between Phone A and Phone B.
What will be the result to the listener?

A) The call is terminated.
B) The listener will hear the audio out of order when the lost packet is retransmitted.
C) The listener will hear the audio normally. Packet loss concealment will make the loss inaudible.
D) The listener will experience a gap in the received audio stream.

5. How do a-law and mu-law handle issues with signal-to-noise ratios related to the measure of amplitude?

A) Increase code points at higher frequencies.
B) Use smaller step functions at higher frequencies.
C) Use smaller step functions at lower amplitudes.
D) Increase code points at lower amplitudes.

Solutions: