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Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) Sample Questions:

1. How does the echo canceller interpret a signal when the ERL value is too low?

A) The echo canceller treats the signal as echo and applies the configured values.
B) The echo canceller considers the signal returning to the gateway as comfort noise generated during periods of silence and does not act on it.
C) The echo canceller will apply the maximum echo-cancel coverage time to the signal to determine if this is echo or voice.
D) The echo signal retuning to the gateway is too loud and the echo canceller interprets it as normal voice instead of echo.

2. A second H.323 gateway has been added to headquarters with a Cisco Unified Communications Manager cluster. Outbound dialing for long-distance numbers works consistently through the first
H.323 gateway, but it is never routed through the second gateway. When the first gateway is shut down, no long-distance dialing works.
Which change is needed to use both H.323 gateways for long-distance dialing?

A) Remove the route list and route groups. Add both gateways to the existing route pattern for long-distance dialing.
B) Remove the existing route pattern for long-distance dialing. Create a translation pattern for long-distance dialing and configure it to work with both H.323 gateways.
C) Configure the existing route pattern to a route list and a route group. Add both H.323 gateways to the route group.
D) Add a second route pattern, the same as the first route pattern, to the second gateway.

3. Which size is the jitter buffer of the Cisco MTP transcoder?

A) 20 - 40 ms
B) 10 - 30 ms
C) 45 - 60 ms
D) 25 - 50 ms

4. When using Cisco Unity Connection (CUC), you get choppy audio. You suspect that this problem is due to the network connectivity issue. However, when you verify, you conclude that there is sufficient bandwidth available.
You need to narrow down two causes that might cause this problem. What could be the two causes? (Choose two.)

A) There is high latency in the network bandwidth.
B) The CPU on the server is malfunctioning.
C) The server requires a restart.
D) There is insufficient disk space on the server.
E) Another process on the server is consuming more CPU resources.
F) Audio files stored on the server are corrupt.

5. While you implement an action plan while troubleshooting a call setup problem, the symptoms stop.
Which troubleshooting step is next?

A) Document the facts.
B) Gather new facts about the situation.
C) Continue to observe the results.
D) Continue to implement the existing action plan.

Solutions: