Cisco 642-427 : Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0)

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Cisco 642-427 Exam Syllabus Topics:

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

1. Refer to the Exhibit.

When a Cisco Unified Communications Manager Express advertises directory number pattern in the exhibit. What would the learned pattern be in the RTMT tool on the Cisco Unified Communication Manager?

A) [2-9] XXXXXX and the ToDID will be 0:+1408[2-9]XXXXXX
B) \+1408[2-9]XXXXXX and the ToDID will be empty
C) \+1408[2-9]XXXXXX and the ToDID will be 0:+1408[2-9]XXXXXX
D) \+1408[2-9]XXXXXX and the ToDID will be 0:
E) 1408[2-9]XXXXXX and the ToDID will be 0:+1408[2-9]XXXXXX

2. In a SIP direct call setup, which message will be sent by the originating UAC to the UAS of the recipient?

A) RINGING
B) ACK
C) OK
D) INVITE

3. Refer to the Exhibit. What Trace Filter setting should be used when collecting trace information for the Cisco TAC?

A) Detailed
B) Significant
C) State Transition
D) Special
E) Error
F) Arbitrary

4. Refer to the exhibit.

The output of the show call active voice command shows an ERL level of 25. Which statement about the ERL is true?

A) The correct ERL could not be calculated by the echo canceller. The signal is being reflected with 0 dB loss.
B) The ERL level is the absolute sum of OutSignalLevel and InSignalLevel, which equals 30. The DSP has an error margin of 5 dB.
C) The ERL value of 25 is not valid and hence should be ignored; however, the echo canceller is being organized.
D) ERL 25 shows how much echo cancellation has been performed by the echo canceller in the router.

5. Your Cisco Unified CallManager 5.0 cluster is using your corporate Windows 2003 Active Directory for user information. Over the weekend you updated the Windows 2003 Active Directory Server and added a small group of new users. Cisco Unified CallManager is configured to synchronize with the Active Directory server every 8 hours and it has been 32 hours since the last successful synchronization. The configuration on Cisco Unified CallManager did not change during the Active Directory server upgrade and the remainder of the Windows network is functioning properly.
What are two possible causes of this synchronization issue? (Choose two.)

A) There is a username and or password mismatch between the Cisco Unified CallManager cluster and the Windows AD server.
B) Authorization has not been configured for a third party LDAP service.
C) The synchronization on the AD server was set to manual.
D) The domain controllers are down.
E) The LMHOSTS file has been corrupted.

Solutions: