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Exam : Cisco 642-425
Title : Cisco(r) IP Telephony Troubleshooting


1. Your company has recently installed Cisco Unity to be the voice mail platform for your Cisco CallManager IP telephony system. You have received complaints from the users that the red message waiting indicator (MWI) light does not come on when there are new voice mail messages in the voice mailboxes. What must be verified and possibly modified to resolve this issue? (Choose two.)
A. Use the Port Usage tool to verify that the ports dedicated to MWI on/off are not over- utilized. Add another dedicated port if the current port is over-utilized.
B. Verify that the MWI on/off numbers are unique within the CallManager cluster dial plan. If they are not, change the directory numbers in the CallManager cluster so they are unique and configure the Cisco Unity server so they match the new directory numbers.
C. Verify that the same directory numbers are being used for MWI on/off in both the Cisco CallManager cluster and Cisco Unity server. If they are different, change the Cisco Unity server to match the Cisco CallManager cluster
D. Verify the number of ports licensed for the Cisco Unity server is equal to the number of configured ports. If the number of configured ports is greater than the license number, reduce the number of configured ports to be no greater than the license number.
E. Verify that the calls are being sent to the correct ports on the Cisco Unity server. If they are incorrect on the Cisco CallManager cluster, change the values on the cluster to be correct.
Answer: BC

2. Which two tasks must be performed to restore the Cisco Unity server data if it is corrupted or lost? (Choose two.)
A. Start Dr. Watson manually to resolve issues in Microsoft message exchange server.
B. Verify Microsoft IIS permissions.
C. Reload the Cisco Unity server application on a new server prior to restoring data files.
D. Create a new batch file to replace components in the Registry.
E. Verify that no errors in other Cisco Unity processes.
Answer: BD

3. Which Unity troubleshooting tool would be used to diagnose problems with skinny and MWI?
A. trace tool
B. configuration tool
C. diagnostic tool
D. maestro tool
Answer: C

4. Which Unity subscribers will have access to the Unity Diagnostic Tool?
A. all Unity subscribers with the correct read/write permissions
B. all Unity subscribers with the correct class of service permissions
C. all Unity subscribers with the correct security permissions
D. all Unity subscribers
Answer: B

5. You recently added a Cisco Unity voice mail server to your Cisco CallManager IP telephony solution. Your users are receiving voice mails, but the MWI light does not go off after they have listened to all of their new voice mail messages. What must be verified and possibly modified to resolve this issue?
A. Use the Port Usage tool to verify that the ports dedicated to MWI on/off are not over-utilized. Add another dedicated port if the current port is over-utilized.
B. Verify that the MWI "off directory number" has been configured on both the Cisco Unity server and the Cisco CallManager cluster. If it has not been configured, configure it on both the Cisco Unity server and Cisco CallManager cluster.
C. Verify the number of ports licensed for the Cisco Unity server is equal to the number of configured ports.
D. Verify that the calls are being sent to the correct ports on the Cisco Unity server. If the configured ports are incorrect on the CallManager cluster, change the values on the cluster to be correct.
Answer: B