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Cisco 642-427 Exam Syllabus Topics:

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

1. Which RAS message does a gateway use to request admission to a network and to also request phone number to IP address resolution?

A) LRQ
B) ARQ
C) IRQ
D) RRQ

2. Refer to the topology exhibit.

When the Cisco Unified Communications Manager at the BR1 site loses connectivity to the SAF network, the call to extension 3001 fails to reroute via the PSTN. Examine the SDI trace in the exhibit. What is the most likely cause of the failure?

A) CCD requesting service does not have the correct partition configured for CCD learned patterns
B) The calling phone line CSS does not have access to the V route pattern.
C) The Cisco Unified Communications Manager at the HQ site was unable to determine the ToDlD number to extension 3001.
D) The full E.164 number for extension 3001 could not be constructed.
E) The AAR CSS for the HQ phone does not have access to the \\ route pattern.

3. CRTP can compress some specific headers. What are they? (Select three.)

A) RTP
B) Data link
C) sRTP
D) TCP
E) UDP
F) IP

4. Refer to the exhibit.

When Alice at extension 2001 places a call to Bob at extension 3001, Bob hears Alice's voice twice. What type of echo is this classified as?

A) Listener echo.
B) Talker echo.
C) Front end circuit echo.
D) Tail circuit echo.

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

Solutions: