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

1. You are a network technician with many years' experience. Many users complain that they can hear echo when their calls go out an H.323 gateway. You have made some testing for the gateway and have changed the configuration. So the ERL level turns to be 6 dB. Furthermore, the echo-cancel coverage value is raised to 64 ms. Please choose the effect on the voice quality after this modification.

A) The echo canceller will take 2-3 seconds longer to converge at the beginning of the call.
B) The ends of sentences will be chopped by the echo canceller.
C) Consonants will be chopped by the echo canceller.
D) The increase in echo-cancel coverage will have no effect on voice quality.

2. In Cisco Unity Connection (CUC), you notice that the recordings do not have any sound. You need to correct this problem. What should you do?

A) Correct the advertised codec settings.
B) Change the port group settings.
C) Change the audio level for sniffer captures.
D) Restart the gateway.
E) Enable automatic gain control (AGC).
F) Restart the transcoder.

3. Under normal conditions, what is the Cisco default attenuation level on a gateway?

A) 0
B) 3
C) -15
D) -6

4. Refer to the exhibit.

The exhibit shows the output of debug isdn q931. An inbound PSTN call was received by an
H.323 gateway that is configured in Cisco Unified Communications Manager. The call failed to ring extension 3001. If the phone at extension 3001 is registered and reachable through the gateway inbound CSS, which four actions can resolve this issue? (Choose four.)

A) Configure the Cisco IOS command num-exp 2288223001 3001 on the gateway ISDN interface.
B) Configure a called-party transformation CSS on the gateway in Cisco Unified Communications Manager that includes a pattern that transforms the number from ten digits to four digits.
C) Configure a voice translation profile in the H.323 Cisco IOS gateway with a voice translation rule that truncates the number from ten digits to four.
D) Configure a translation pattern in Cisco Unified Communications Manager that can be accessed by the phone CSS to truncate the called number to four digits.
E) Configure the digit strip 4 on H.323 gateway in the Incoming Called Party Settings in Cisco Unified Communications Manager.
F) Change the significant digits for inbound calls to 4 on the gateway configuration in Cisco Unified Communications Manager.

5. Look at the following exhibit carefully.
You can click on the GK icon to view the output of the show gatekeeper endpoint command and click on each voice gateway to view the interface configuration. X of each popup can be clicked to back to the item.
As a network technician, you are recently responsible for configuring a gatekeeper with three local zones called East, West and EMEA. You have accomplished this task. In the East and EMEA zones, CallManager and the gateways are all registered in the West Zone, however, each of them should be registered in their own zone. In order to fix this issue, which measure should you take?

A) The gatekeeper can only support one zone and all registering endpoints are being placed correctly in the first configured zone.
B) The IP address in the gateway command h323-gateway voip ID needs to be changed to that of the individual gateways in both gateways.
C) The zone name in the gateway command h323-gateway voip ID needs to be changed to the correct zone in both gateways.
D) The gatekeeper needs to be stopped and restarted for the changes to take effect.

Solutions: