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

1. You are troubleshooting why a user cannot make calls to the PSTN. You are reviewing trace files and you have found where the user's IP phone initiates the call but you never see the call go out the gateway. What is the next step in troubleshooting this issue?

A) Look in the MGCP trace file to determine which MGCP gateway the call was sent to.
B) Look in the IP Voice Media Streaming App trace file to see if an MTP was invoked.
C) Look in the SDL trace file to see if there is a signal to another Cisco Unified CallManager node with the same TCP handle.
D) Look in the SDL trace file to see if there is a signal to another Cisco Unified CallManager node with the same time-stamp.

2. Which type of echo is found mostly on tail circuits and is due to reflection that causes the Tx signal to appear on the Rx signal?

A) Hybrid echo
B) Tail-end echo
C) Listener echo
D) Talker echo

3. In a Cisco UCM multisite WAN with centralized call-processing deployment model, what redundancy feature should be configured on remote site routers to supply basic IP telephony services in the event of a WAN outage?

A) AAR
B) CAC
C) V3PN
D) SRST

4. Some users report that they cannot dial out from headquarters on their Cisco IP Phones to PSTN users, but others can.
Which troubleshooting approach is the most direct to isolate the source of the failure of the users that cannot dial out to the PSTN?

A) Use DNA to generate actual calls to the PSTN.
B) Use DNA to analyze the dialing permissions of the Cisco IP Phones.
C) Use RTMT to generate actual calls to the PSTN.
D) Use RTMT to analyze the dialing permissions of the Cisco IP Phones.

5. Two Cisco Unified Communications Manager clusters have recently been installed. One is in Tokyo and the other in Chicago connected by a WAN link. You have started the configuration of a SIP trunk and you are integrating the dial plans. All phones in Tokyo can call all phones in Chicago, but no phones in Chicago can call Tokyo phones.
Which two statements are possible causes? (Choose two.)

A) The SIP trunk in Chicago is in a CSS that is not in the partition of the Chicago phones.
B) The Tokyo SIP trunk inbound CSS does not contain the partition of the Tokyo phones.
C) The SIP trunk is configured from Tokyo to Chicago, but not from Tokyo to Chicago.
D) The CSS of the Chicago phones does not include the partition of the route pattern to point to Tokyo.
E) Tokyo phones are in a CSS that is not in the partition of the route pattern to call from Tokyo to Chicago.

Solutions: