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

1. You have two Cisco Unified CallManager clusters each using endpoint authentication. You have moved a small group of users from Cluster 1 to Cluster 2 and now their phones are failing to register with Cluster 2. Each phone displays the error message "failure to authenticate on the CTL file".
Which step should be taken to resolve this issue?

A) Reset each IP phone so the correct CTL file can be downloaded.
B) Restart the Cisco CTL Provider and the Cisco Certificate Authority Proxy Function.
C) Press the Settings button on each IP phone, select the Security Configuration menu, and reset the trust list.
D) Perform a factory reset on each IP phone so the correct CTL file can be downloaded.

2. You need to troubleshoot a conference bridge issue. You need to find out the number of conferences that were started after the restart of the Cisco IP Voice Media Streaming Application service. Which Real-time Monitor Tool (RTMT) counter should you use?

A) CFBConferencesActive.
B) CFBStreamsTotal
C) CFBConferencesActive
D) CFBStreamsAvailable
E) CFBConferencesTotal
F) CFBStreamsActive

3. Which voice translation rule will expand extensions that are in the 3000-3999 range to a 10-digit number?

A) /3...//4085553/
B) /^3...$//408555&/
C) /^3...\(... .$\)//408555\
D) /^...\(... .$\)/^1/
E) /^3...\(... .$\)//408555\1/

4. Upon completion of a failover task you notice that all the CTI devices are still pointing to the backup server rather than the primary server. How should you resolve this issue?

A) Stop the CTI Manager Service on the Secondary server so that all devices using CTI register with the primary.
B) Do nothing and wait for the next failover assuming this will revert back to the primary CTI server.
C) Stop the CTI Manager Service on the Primary server so that all devices using CTI stay registered with the primary CTI server.
D) Restart the subscriber with the CTI Manager Service on the secondary.

5. You are troubleshooting why a user cannot make calls to the PSTN. You are reviewing trace files and you have found where the user's IP phone initiates the call but you never see the call go out the gateway. What is the next step in troubleshooting this issue?

A) Look in the SDL trace file to see if there is a signal to another Cisco Unified CallManager node with the same time-stamp.
B) Look in the MGCP trace file to determine which MGCP gateway the call was sent to.
C) Look in the IP Voice Media Streaming App trace file to see if an MTP was invoked.
D) Look in the SDL trace file to see if there is a signal to another Cisco Unified CallManager node with the same TCP handle.

Solutions: