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

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

2. You are trying to register Media Gateway Control Protocol (MGCP) gateway with the Cisco CallManager version 3.0(5)a. To register, you execute the following commands:
mgcp
mgcp call-agent 192.168.10.1
ccm-manager mgcp
However, the MGCP gateway still does not register with the Cisco Call Manager. Which two steps should you perform next? (Choose two.)

A) Reboot Cisco CallManager.
B) Use Cisco CallManager name instead of IP address.
C) Run the ping command.
D) Verify the address for the Cisco CallManager.
E) Upgrade the Cisco CallManager version.
F) Restart the MGCP gateway services.

3. Refer to the exhibit.

The BR phones only support G.711 codec. When a call from HQ is placed to a BR phone, the call fails. The network administrator would like to use a hardware transcoder that is only reachable via the WAN from the HQ and BR sites. How should the transcoder region be configured?

A) Configure G.711 codec from HQ to Xcode and G.711 from BR to Xcode
B) Configure G.729 codec from HQ to Xcode and G.711 from BR to Xcode
C) Configure G.729 codec from HQ to Xcode and G.729 from BR to Xcode
D) Configure G.711 codec from HQ to Xcode and G.729 from BR to Xcode

4. As a network technician, you should be familiar with various commands. Which command displays a count of successful and unsuccessful control commands?

A) show mgcp calls
B) debug mgcp statistics
C) show mgcp
D) show mgcp statistics

5. Refer to the exhibit.

Which Cisco Unified Communications Manager trace file level should be selected when enabling traces to send to Cisco TAC for analysis?

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

Solutions: