Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0)

QUESTION NO: 1
Which two issues can cause a Cisco Unified Communications Manager to fail to register with its Cisco SAF Forwarder? (Choose two.)

A. Incorrect user credentials were used on the SAF Forwarder. B. An H.323 SAF trunk was configured instead of a SIP SAF trunk. C. CCD advertising service was not activated. D. No directory number patterns were configured on the Cisco Unified Communications Manager. E. CCD requesting service was not activated.

Correct Answer: A,E

QUESTION NO: 2
Look at the following options. Which are SIP servers? (Select four.)

A. Redirect B. Location C. Proxy D. Registrar

Correct Answer: A,B,C,D

QUESTION NO: 3
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 insufficient disk space on the server. B. The server requires a restart. C. There is high latency in the network bandwidth. D. The CPU on the server is malfunctioning. E. Another process on the server is consuming more CPU resources. F. Audio files stored on the server are corrupt.

Correct Answer: A,E

QUESTION NO: 4
Users are making calls from Cisco IP Phones that are registered on a Cisco Unified Communications Manager cluster through an H.323 gateway to the PSTN phones. Sometimes these users report that calls are dropped after they have talked for some time. Different Cisco Unified CM servers have been rebooted for testing during production hours. Currently Cisco IOS
12.0 is used on the H.323 gateway.
Which change helps to prevent calls from dropping when a Cisco Unified CM server is rebooted during testing?

A. There is no scenario where rebooting an H.323 gateway will allow call survivability. B. Upgrade the gateway Cisco IOS software to a version later than 12.4(4)9T. C. A misconfiguration of VoIP dial peers to the Cicso Unified CM servers must exist. Reconfigure the VoIP dial peers. D. A misconfiguration of calling search spaces must exist. Reconfigure the CSS.

Correct Answer: B

QUESTION NO: 5
Users in a branch office cannot hear MOH when they are on hold. However, users in the headquarters office where Cisco Unified Communications server is installed have MOH enabled and can hear MOH when on hold.
Which action solves this problem?

A. Remove multicast routing in the branch router. B. Enable the MOH file in the headquarters router flash. C. Enable the MOH file in the branch router flash. D. Remove multicast routing in the headquarters router.

Correct Answer: C

QUESTION NO: 6
You want to reduce WAN bandwidth for audio calls from the branch office to the headquarters over the WAN link.
Which two solutions reduce WAN bandwidth for audio calls? (Choose two.)

A. Configure transcoding on the branch gateway. B. Configure transcoding on the headquarters gateway. C. Configure the Cisco Unified Communications Manager region to use G.729 instead of G.711. D. Configure the Cisco Unified Communications Manager region to use G.711 instead of G.729.

Correct Answer: A,C

QUESTION NO: 7
When a Cisco Unified Border Element connects two VoIP streams using flow-around media, which of the following options describe the components of the call that flow around and the components that flow through the device?

A. The initial call-signaling traffic flows through the device to initiate the call and then all subsequent calls flow around the device. B. All security information flows through the Cisco Unified Border Element, and all call signaling and RTP flows around the device. C. Call media flows through and call signaling flows around the device. D. Call signaling flows through and call media flows around the device.

Correct Answer: D

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QUESTION NO: 8
When using trace output to troubleshoot a Cisco Unified CallManager 5.0 problem, how can you collect and view the trace files?

A. Configure the proper trace settings on the Cisco Unified CallManager Serviceability page and download the RTMT plug-in from the CallManager Administration page to view the trace output. B. Download the RTMT plug-in from the Cisco Unified CallManager Serviceability page to view the preconfigured trace files. C. Configure the proper trace settings on the Cisco Unified CallManager Serviceability page and then use the embedded RTMT tool to view the trace files. D. Configure the proper alarms and traces on the Cisco Unified CallManager Administration page and view the output with the RTMT plug-in.

Correct Answer: A

QUESTION NO: 9
Your manager requires that users who call PSTN phones from Cisco IP Phones in a Cisco Unified Communications Manager cluster have the single caller ID of 13125551000 for the entire company.
Which approach achieves this goal?

A. Change the external phone number mask on all phones to 13125551000. B. Create a route pattern in Cisco Unified Communications Manager of 13125551000. C. Configure the gatekeeper to change the caller number to 13125551000. D. Create a VoIP dial peer to Cisco Unified Communications Manager with the destination pattern of 13125551000.

Correct Answer: A

QUESTION NO: 10
Refer to the exhibit. When the user tried to do no shut on the dspfarm profile, the command was accepted but the dspfarm was still in a shutdown state. Which statement indicates the correct resolution or reason for the issue?

A. The maximum sessions that are allowed was exceeded. B. The command maximum conference-participants value must be configured. C. The conference bridge is not registered in Cisco Unified Communications Manager. D. The command dsp services dspfarm must be configured under the voice-card configuration. E. The dspfarm command under the voice card is missing.

Correct Answer: D

QUESTION NO: 11
Your Cisco Unified CallManager 5.0 cluster has just started to use a third-party LDAP service. Users complain that they are unable to make changes to their passwords in their Cisco Unified CallManager user web pages. How should you resolve this problem?

A. Have the users make changes to their passwords in the LDAP database. B. Change the passwords on the IP phone screen using the TUI. C. Configure automatic synchronization of the LDAP database. D. Restart the phones that are having problems to reinitialize the LDAP database.

Correct Answer: A

QUESTION NO: 12
Which troubleshooting step do you take after you define that the problem is a failed call setup?

A. Gather the facts about the situation. B. Create an action plan. C. Consider all the possibilities. D. Implement an action plan.

Correct Answer: A

QUESTION NO: 13
Which scenario causes a Cisco Unified Mobile Connect call to get routed to the dual-mode mobility identity number?

A. The device is outside the enterprise. B. The device associates with the enterprise WLAN. C. The device registers with Cisco Unified Communications Manager. D. The device is not configured on Cisco Unified Communications Manager.

Correct Answer: A

Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) - 642-427 Exam Questions