Cisco 642-427 Exam : 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. A customer is trying to register an IP phone. During the registration process, the IP phone receives the configuration file (.xml) from the TFTP server. Which input can you find in the configuration file that is downloaded to the IP phone?

A) location of the DHCP server
B) extension number
C) IP address of the IP phone
D) valid locally significant certificate
E) speed dials
F) firmware to be loaded on IP phone

2. An IP phone that is connected through a Cisco Catalyst 3750 Series Switch is failing to register with the subscriber as a backup server. When the user presses the settings button on the phone, only the Cisco Unified Communications Manager publisher shows as registered. What is the most likely cause for this issue?

A) The enterprise phone configuration does not have the call control redundancy enabled.
B) The Cisco Unified Communications Manager group that is applied through the device pool is misconfigured.
C) The subscriber does not have the correct device pool configured.
D) The phone does not have the correct Cisco Unified Communications Manager group in the device configuration page.
E) The ip-helper address command for the subscriber is not configured on the switch port.

3. How an H.323 gatekeeper can assume which bandwidth that will be required by a G.729 call?

A) 24 kbps
B) 8 kbps
C) 64 kbps
D) 16 kbps

4. What is the maximum number of characters that you can use in Service Advertisement Framework (SAF) forwarder name?

A) 20
B) 30
C) 10
D) 40
E) 60
F) 50

5. Users can log in to Cisco Extension Mobility, but they cannot log out.
Which action solves this problem?

A) Create a new Cisco Unified Communications Manager Extension Mobility service.
B) Change or remove the Calling Search Space on the phones that have trouble logging out of Cisco Unified Communications Manager Extension Mobility.
C) Subscribe the device profile to Cisco Unified Communications Manager Extension Mobility.
D) Apply the Cisco Unified Communications Manager Extension Mobility service to the IP phones that have trouble logging out.

Solutions: