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Exam Code: 642-427

Exam Name: Cisco (Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0))

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NO.1 Refer to the SDI trace in the exhibit. A PSTN call arrived at the MGCP gateway that is shown in the SDI
trace. If the caller ID that is displayed on the IP phone is 087071222 and the HQ_clng_pty_CSS contains
the HQ_clng_pty_Pt partition,which exhibit shows the correct gateway digit manipulation?
A. Exhibit A
B. Exhibit B
C. Exhibit C
D. Exhibit D
Answer: A

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NO.2 Which of these reasons can cause intrasite calls within a Cisco Unified Communications Manager
cluster to fail?
A. The route partition that is configured in the CCD requesting services is not listed in the callling phone
CSS
B. The trunk CSS does not include the partition for the called directory number.
C. The MGCP gateway is not registered
D. The calling phone does not have the correct CSS configured
E. The calling phone does not have the correct partition configured.
Answer: D

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NO.3 Which Cisco Unified Communications Manager troubleshooting tool can be used to look at detailed
specific events, such as dial plan digit analysis, as they are happening?
A. traceroutes
B. RTMT real-time trace
C. Cisco Unified Communications Manager alerts
D. Cisco Unified Dialed Number Analyzer
E. RTMT performance log viewer
F. syslog output
Answer: B

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NO.4 Which statement about device mobility is true?
A. Where local route groups are used, there is no need to configure device mobility groups or phone
device CSSs as long as phone line CSSs are used.
B. When local route groups are used, you must configure device mobility groups and phone device CSSs.
C. When the device mobility group at the home device pool and roaming device pool are not the same,
the phone will keep the home region.
D. When device mobility groups at the home device pool and roaming device pool are the same, the
phone will keep the home MRGL setting.
Answer: A

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NO.5 Refer to the exhibits.
Low latency queuing has been implemented on the HQ and BR1 routers to allow five G. 729 calls. Callers
are still experiencing poor audio, in particular choppy and delayed audio during traffic congestion. This
problem occurs even with just one active call. Which two actions will solve the issue?
A. Change the codec type to G. 711
B. Configure RSVP call admission control
C. Configure Link Fragmentation and Interleave on the WAN links
D. Configure RTP header compression on the WAN Links
E. Increase the priority queue bandwidth to 80 Kb/s
F. Configure location settings in Cisco Unified Communications Manager to 120Kb/s
Answer: CD

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NO.6 Refer to the exhibit.
When calling 911, which gateway/route list is defined in the route pattern in Cisco Unified
Communications Manager and used to route matched digits to the PSTN?
A. SEP002290BA361B
B. standardLocalRG
C. RouteListCdrc
D. LRG_RL
E. nodeld=1
F. BRANCH
Answer: D

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NO.7 Which web-based application that is acessed via the Cisco Unified Communication Manager
Administrator GUI generator reports for troubleshooting or increasing cluster data.?
A. Cisco Unified Serviceability alarms
B. Cisco Unified RTMT Trace and Log Central
C. Cisco Unified RTMT Monitor
D. Cisco Unified Reporting tool
Answer: D

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NO.8 When a database replication issue is suspected, which three tools can be used to check the database
replication status? (Choose three.)
A. Cisco Unified Communications Manager RTMT tool
B. Cisco Unified Communications Manager Serviceability interface
C. Cisco Unified Reporting
D. Cisco Unified Communications Manager CLI interface
E. Cisco IP Phone Device Stats from the Settings button
F. Cisco Unified OS Administration interface
Answer: ACD

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NO.9 Where does an IP phone obtain the extension number and speed-dial settings from?
A. the settings that are configured on the physical phone
B. the registration file that the phone receives from the Cisco Unified Communications Manager
C. the device and line configuration in Cisco Unified Communications Manager, during the registration
process
D. the default device profile that is configured in Cisco Unified Communications Manager
Answer: C

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NO.10 Refer to the exhibit
When a Cisco IP Communicator phone roams from San Jose(SJ) to RTP, the Cisco IP Communicatior
physical location and the device mobility group change from SJ to RTP. All route patterns are assigned a
route list that points to the local route group. All device pools are configured to use the local route group.
Which statement is true when the roaming phone places an AAR call?
A. Since globalized call routing is not configured, then the SJ gateway will be used in this case
B. The phone will use the AAR CSS that contains the SJ_PSTN partition. The call will egress at the SJ
gateway
C. The phone will use the AAR CSS that contains the RTP_PSTN partition. The call will egress at the SJ
gateway
D. The phone will use the AAR CSS that contains the SJ_PSTN partition. The call will egress at the RTP
gateway
E. The phone will use the AAR CSS that contains the RTP_PSTN partition. The call will egress at the RTP
gateway
Answer: D

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