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

2. Which step in the problem-solving model is important to accurately interview end users to get all the pertinent details of the problem?

A) Create Action Plan
B) Consider the Possibilities
C) Restart Problem-Solving Process
D) Define the Problem
E) Problem Resolved
F) Observe Results
G) Implement Action Plan
H) Gather Facts

3. Refer to the exhibit.

How does a switch port that receives marked traffic from a Cisco IP phone use the mls qos trust cos command?

A) CoS is used to select the ingress and egress queues.
B) The DSCP-to-CoS map is applied.
C) The CoS setting is modified according to the CoS-to-DSCP map.
D) For non-IP packets, the CoS is set to 7 and DSCP-to-CoS mapping is not applied.

4. Nine users in a branch office frequently have audio conferences with each other and their clients who call in from the PSTN. They frequently report poor audio quality during conference calls. A 500 kb/s WAN link connects the branch office and headquarters, which hosts the Cisco Unified Communications Manager cluster.
Which troubleshooting solution most directly improves their audio quality during conference calls?

A) Enable software conferencing in headquarters internal to Cisco Unified CM.
B) Enable LLQ on the branch router and the headquarters router.
C) Enable hardware conferencing on the branch router and integrate with Cisco Unified CM.
D) Enable hardware conferencing on the headquarters router and integrate with Cisco Unified CM.

5. Refer to the Exhibit.

The Exhibit shows the output of an unsuccessful RSVP call setup that uses G.711 codec. Which configuration on serial 0/1/0.121 would resolve that issue?

A) ip rsvp bandwidth 40 24
B) ip rsvp bandwidth 96 80
C) ip rsvp bandwidth 96 96
D) ip rsvp bandwidth 40 40
E) ip rsvp bandwidth 80 16

Solutions: