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

1. As a network administrator, you should be familiar with various commands. Which command can be used to enable a SIP user agent on a Cisco router?

A) sip-ua dial-peer configuration mode subcommand
B) sip-ua global configuration mode command
C) No special command is required. SIP is on by default.
D) sip-ua interface configuration mode subcommand

2. When a Cisco Unified Border Element is deployed to support RSVP-based CAC, which method is required?

A) RSVP-based CAC requires Cisco Unified Border Element to use media flow-through.
B) RSVP-based CAC only supports media flow-around
C) RSVP-based CAC can be supported with either media flow-through or media flow-around if the Cisco Unified Communication manager is configured as an RSVP agent
D) The Cisco Unified Border Element does not have to participate in the RSVP message exchange and will pass RSVP message through unchanged using media flow-around.

3. What are the two most common causes of echo? (Choose two.)

A) impedance mismatch at the two-wire to four-wire hybrid
B) excessive packet loss
C) signal reflection
D) incorrect IP phone software loads
E) misconfigured tail circuits

4. Refer to the exhibit.

An engineer is troubleshooting an outbound call and needs to see each step of the dial plan as it is being parsed in the system. The engineer is not able to see all of the steps in the trace output. How can this problem be resolved?

A) Change the SDL Trace Flush Immediately to True.
B) Change the SDL TraceType Flag to 0x9000EC44
C) Change the SDL Trace Max File Size to a higher number because it is not large enough to display dial plan steps.
D) No change is needed; the steps are automatically shown in trace files.
E) Change the Digit Analysis Complexity to TranslationAndAlternatePatternAnalysis.

5. Refer to the exhibit. You have received a trouble ticket stating that calls to international numbers are failing. To place an international call, users dial the access code "9," followed by "011," the country code, and the destination number. After entering the debug isdn q931 command on the MGCP gateway, you have the user attempt the call again.

Based on the debug output, what is the most likely cause of this problem?

A) The user's CSS does not permit international calls.
B) The gateway dial peer needs to prefix "011" to the called number so the PSTN knows this is an international call.
C) The TON is incorrect.
D) Cisco Unified CallManager is not stripping the access code before sending the call to the gateway.
E) The circuit is not configured correctly or has a physical layer issue.

Solutions: