TestInside 642-425
IP Telephony Troubleshooting : 642-425 Exam
Exam Number/Code: 642-425
Exam Name: IP Telephony Troubleshooting
Questions and Answers: 54 Q&As
Price: $79.00
Update Time: 2008-6-30
“IP Telephony Troubleshooting”, also known as 642-425 exam, is a Cisco certification.
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1.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
2.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
3.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
4.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
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
6.A company has migrated to a Cisco CallManager IP telephony system and now is replacing the existing voice mail system with a Cisco Unity voice mail system. A small group of users has been established to test the new voice mail system. During testing the users are unable to leave voice mail messages on the new Unity system. It appears that the ports hang when users try to send voice mails. How would you determine the cause of the problem? (Choose two.)
A. Verify that the Cisco CallManager has been configured with the correct number of voice mail ports; the number of voice mail ports must match the Cisco Unity configuration.
B. Verify in the Cisco CallManager that the hunt group is hunting to Cisco Unity ports that can accept calls.
C. Verify the Cisco CallManager has been configured with the correct MWI ports; the number of
MWI ports must match the Cisco Unity configuration.
D. Verify the call transfer call handlers are configured correctly. E. Verify there are no TSP warnings in the Event Viewer.
Answer:AB
7.A new Cisco Unity voice mail system is being tested. The calls are being forwarded to voice mail from the Automated Attendant console, but the callers are receiving the wrong greeting. What could
be the problem?
A. The call routing rules are not working properly. B. The mailbox under test is full.
C. The Unity ports for sending and receiving voice mails are not configured properly.
D. The Microsoft Exchange server has rejected the call due to a corrupted database. Answer:A
8.Your customer has implemented an MCU to allow conferencing between VT Advantage users. The MCU appears to be properly configured but users are complaining that when they conference, they get audio but no video. What is the most likely cause?
A. The partition/CSS configuration is preventing video setup.
B. The MRGL configuration is selecting incorrect conference resource. C. The region configuration is selecting incorrect codec.
D. The location configuration is preventing video setup. Answer:B
9. Refer to the exhibit.
Your users cannot complete calls to the PSTN. After working with the Telco, you have determined
that you are not stripping the access-code before setting up the call with the Telco. What is a possible cause of this issue?
A. A dial-peer is modifying the called number.
B. The route list configuration is over-riding route pattern configuration.
C. A translation pattern is modifying the called number. D. The external phone number mask is incorrect.
Answer:B
10. Drag the Cisco recommended troubleshooting model step to its appropriate location:
Gather all relevant facts.
Step 1
Define the problem clearly and understandably.
Step 2
Create an action plan.
Step 3
Observe the results of the implemented action.
Step 4
Consider the likely possibilities.
Step 5
Implement the action plan.
Step 6
If unsuccessful, undo changes, try another action plan.
Step 7
If the problem stops, document the solution.
Step 8
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