Cisco 642-427 : Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0)

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

1. Refer to the exhibit. HQ_MRGL is assigned to the HQ IP phones. BR_MRGL is assigned to the BR IP phones. The remote site BR IP phones only support G.711 codec. When a call is placed from an HQ phone to a BR phone, the call fails. Which statement indicates how this issue is resolved?

A) The transcoder should be assigned to its own MRG, which should then be assigned to the default device pool at HQ.
B) Configure the transcoder at the BR site and assign it to BR_MRG
C) Configure the transcoder at the HQ site and assign it to HQ_MRG
D) A transcoder is not needed. The HQ phones will automatically change over to G.711 codec.

2. Which tool allows the administrator to analyze call routing in Cisco Unified Communications Manager without physically placing a call?

A) Cisco Unified Communications Manager OS Administration.
B) Cisco Unified Communications Manager RTMT trace output.
C) base configuration information for this user that specifies Class of Restriction, Partition and Calling Search Space information
D) Cisco Unified Communications Manager Dialed Number Analyzer.
E) Cisco Unified Communications Manager Serviceability tools
F) Cisco IOS Gateway debug commands.

3. Refer to the exhibit. You have received a trouble ticket that users cannot place calls to the PSTN. During testing you discover the gateway is not switching to the secondary call agent when the primary call agent is unreachable.
What needs to be done to allow the MGCP gateway to use a different call agent if the primary fails?

A) The ccm-manager redundant-host command needs to be added to the gateway.
B) A Cisco Unified CallManager group that includes the secondary call agent needs to be assigned to the gateway.
C) The gateway needs to be defined as a non-gatekeeper-controlled intercluster trunk with the secondary Cisco Unified CallManager defined.
D) The ccm-manager fallback-mgcp command needs to be added to the gateway.

4. Refer to the exhibit.

A second Cisco Unified Communications Manager server of 10.10.10.101 was added along with the existing Cisco Unified CM server of 10.10.10.100. When Cisco Unified CM 10.10.10.100 is unavailable, the branch gateway fails to register.
Which configuration change is needed to register the gateway to either Cisco Unified CM server?

A) Remove the gatekeeper command because MGCP conflicts with H.323 on the voice gateway.
B) Increase the amount of bandwidth allocated in the low latency queuing for MGCP signaling traffic.
C) Add a voice dial peer to 10.10.10.101.
D) Add the command ccm-manager redundant-host 10.10.10.101.
E) Add the command MGCP.

5. Refer to the exhibit.

When the WAN link to headquarters fails, branch users report that their audio volume is acceptable but they experience excessive echo when they call long-distance numbers to remote PBX phones.
Which troubleshooting step reduces echo best?

A) Add the command input gain 3 on voice-port 0/0/0:23.
B) Apply QoS on voice-port 0/0/0:23 by adding the command service-policy output voice.
C) Add the command output attenuation 3 on voice-port 0/0/0:23.
D) Apply QoS on voice-port 0/0/0:23 by adding the command service-policy output priority.

Solutions: