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Cisco 642-427 Exam Syllabus Topics:

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

Question 1

You have received a trouble ticket stating that an executive with an account at a bank cannot retrieve account information by phone. When the executive calls the bank, the call is answered and the executive is prompted to enter the account code. However, the bank does not seem to recognize the DTMF tones and disconnects the call.
What is a possible solution to this problem?

A. Configure the voice rtp send-recv command in the gateway.
B. Configure the progress_ind alert enable 8 command under the gateway POTS dial peer.
C. Configure the progress_ind setup enable 3 command under the gateway VoIP dial peer.
D. Set the Cisco Unified CallManager service parameter ToSendH225UserInfoMsg to True.

Question 2

Which troubleshooting step do you take after you define that the problem is a failed call setup?

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

Question 3

When the command utils dbreplication status is executed on the Cisco Unified Communications Manager CLI, which step should be taken next to check the database replication status?

A. Restart the Cisco CallManager service.
B. The command utils dbreplication runtimestate must be run on the subscriber.
C. Run the same command on all nodes of the cluster.
D. View the activelog file.
E. The command utils dbreplication runtimetstate must be run on the publisher.

Question 4

As a Voice Administrator, you have configured the Service Advertisement Call Control Discovery (CCD) feature. When you encounter CCD issues, which command would you use on the IOS interface to check all the learned routes on the IOS device?

A. show eigrp service-family ipv4 topology
B. show voice saf dial-peer outbound
C. show voice saf client
D. show eigrp service-family ipv4 interfaces
E. show ccm-manager
F. show voice safdndb all

Question 5

Refer to the exhibit.

An IP phone that is connected through a Cisco Catalyst 3750 Series Switch is failing to register with Cisco Unified Communications Manager. When the user presses the settings button on the phone, the Operational VLAN ID shows a blank entry. What is the most likely cause for this issue?

A. The Operational VLAN ID of the phone always shows as blank. The Admin VLAN ID should be
110.
B. The spanning tree portfast command needs to be removed.
C. The switch may not be supplying inline power.
D. Cisco Discovery Protocol is disabled on the switch
E. The trunk encapsulation is missing. The trunk must be configured for dot1.Q.

Solutions: