Cisco 642-427 Dumps

Exam: Troubleshooting Cisco Unified Communications (TVOICE)

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Cisco 642-427 Exam Tutorial

Showing 1-20 of 301 Questions   (Page 1 out of 16)


Question No : 1 - Topic 1

Refer to the exhibit.
Cisco 642-427 question 1
The exhibit shows the output of a successful RSVP call setup that uses G.729 codec. What
should the minimum bandwidth configuration on interface serial 0/1/0.121 for the command
ip rsvp bandwidth be?

A. 8 Kb/S
B. 16 Kb/S
C. 24 Kb/S
D. 32 Kb/S
E. 40 Kb/S


Question No : 2 - Topic 1

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

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


Question No : 3 - Topic 1

Refer to the exhibit.
Cisco 642-427 question 3
An intercluster call was placed from extension 2001 to 3001. The SDI trace from the calling
cluster. Which RTP port was used by the calling phone?
Cisco 642-427 question 3
Cisco 642-427 question 3
Cisco 642-427 question 3
Cisco 642-427 question 3
Cisco 642-427 question 3
Cisco 642-427 question 3
Cisco 642-427 question 3
Cisco 642-427 question 3
Cisco 642-427 question 3
Cisco 642-427 question 3

A. 4000
B. 8000
C. 18462
D. 19470
E. Not possible to tell because a second invite was sent because of call failure


Question No : 4 - Topic 1

Which scenario causes a Cisco Unified Mobile Connect call to get routed to the dual-mode
mobility identity number?

A. The device is outside the enterprise.
B. The device associates with the enterprise WLAN.
C. The device registers with Cisco Unified Communications Manager.
D. The device is not configured on Cisco Unified Communications Manager.


Question No : 5 - Topic 1

Refer to the exhibits.
Cisco 642-427 question 5
The HG_MRG that is shown in the exhibit is assigned to an MRGL, which is configured at
the HQ phones.
A call exists between two HQ phones that use G.711 codec. When one of the HQ users
attempts to conference a BR phone across the WAN, the conference fails. The SDI trace
shows an error "No transcoder device configured."
Which statement indicates the correct resolution or reason for the issue?
Cisco 642-427 question 5
Cisco 642-427 question 5
Cisco 642-427 question 5
Cisco 642-427 question 5
D:\job\TestKing\Cisco\642-427\HYPERLINK
Cisco 642-427 question 5

A. The BR phone does not have access to the HO_Conf bridge
B. The BR phone does not have access to the CFB_2 bridge
C. The BR phone does not have access to a transcoder
D. The CFB_2 bridge should be removed from the HQ_MRG and assigned to an MRG that is not assigned to an MRGL
E. The CFB_2 bridge should be listed last in the HO_MRG


Question No : 6 - Topic 1

Refer to the SDI trace in the exhibit A PSTN call arrived at the MGCP gateway that is
shown in the SDI trace.
Cisco 642-427 question 6
Cisco 642-427 question 6
If the caller ID that is displayed on the IP phone is 087071 222 and the HQ_clng__pty_CSS
contains the HQ_cing_pty_Pt partition, which exhibit shows the correct gateway digit
manipulation"?
Cisco 642-427 question 6
Cisco 642-427 question 6
Cisco 642-427 question 6
Cisco 642-427 question 6

A. Exhibit A
B. Exhibit B
C. Exhibit C
D. Exhibit D


Question No : 7 - Topic 1

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


Question No : 8 - Topic 1

Which of the following describes SIP Early Offer?

A. In SIP Early Offer mode, the SDP media capabilities are sent in the INVITE message calling device.
B. Early Offer always uses session indicator 183
C. In SIP Early Offer mode, the SDP media capabilities are sent in the 200 OK messages of the calling device.
D. In SIP Early Offer mode, the INVITE and the 200 OK messages use non-SDP message format to indicate SIP Early Offer


Question No : 9 - Topic 1

Which of the following best describe implementation challenges that are associated with
variable-length numbering plans?

A. the variable number of extensions that need to be implemented
B. the number of trunks that need to be assigned
C. the mapping between IP addresses and extension numbers
D. the identification of the number of digits that need to be dialed before the call is routed
E. the degree in which the dial plan varies.


Question No : 10 - Topic 1

Refer to Exhibit.
Cisco 642-427 question 10
Cisco 642-427 question 10
Which Cisco Unified Communications Manager Real-Time Monitoring Tool component can
be used to view DHCP requests and responses from a Cisco Unified Communications
Manager DHCP server?

A. Performance Log Viewer
B. Processor
C. System Summary
D. Job Status
E. SysLog Viewer
F. VLT


Question No : 11 - Topic 1

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

A. 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 B. RSVP-based CAC only supports media flow-around
B. 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.
C. RSVP-based CAC requires Cisco Unified Border Element to use media flow-through.


Question No : 12 - Topic 1

Refer to the exhibit.
Cisco 642-427 question 12
The BR phones only support G.711 codec. When a call from HQ is placed to a BR phone,
the call fails. The network administrator would like to use a hardware transcoder that is only
reachable via the WAN from the HQ and BR sites. How should the transcoder region be
configured?

A. Configure G.711 codec from HQ to Xcode and G.711 from BR to Xcode
B. Configure G.729 codec from HQ to Xcode and G.729 from BR to Xcode
C. Configure G.711 codec from HQ to Xcode and G.729 from BR to Xcode
D. Configure G.729 codec from HQ to Xcode and G.711 from BR to Xcode


Question No : 13 - Topic 1

Refer to the exhibit.
Cisco 642-427 question 13
When a Cisco IP Communicator phone roams from San Jose (SJ) to RTP, the Cisco IP
Communicator 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


Question No : 14 - Topic 1

Refer to the exhibit.
Cisco 642-427 question 14
Refer to the exhibit. When a call between two HQ users was being conferenced with a
remote user at the BR site, the conference failed.
Which configuration would be needed to solve the problem?

A. The BR_MRG must contain the transcoder device. The BR_MRGL must be assigned to the BR phones.
B. The HQ_MRG must contain the transcoder device. The HQ_MRGL must be assigned to the HQ phones.
C. A transcoder should be configured at the remote site and assigned to all remote phones through the BR_MRGL.
D. The HQ_MRG must contain the transcoder device. The HQ_MRGL must be assigned to the software conference bridge.
E. Enable the software conference bridge to support G.711 and G.729 codecs in Cisco Unified Communications Manager service parameters.


Question No : 15 - Topic 1

Refer to the exhibit.
Cisco 642-427 question 15
When Alice, at extension 2001, places a call to Bob, at extension 3001, Alice hears her
own voice reflected.
Which type of echo is this classified as?

A. talker echo
B. listener echo
C. tail circuit echo
D. front-end circuit echo


Question No : 16 - Topic 1

Users who call from a Cisco IP Phone to external PBX phones report an echo while their
call has sufficient loudness.
Which solution most directly reduces this caller echo?

A. Change the input gain from -3 to -6.
B. Change the input gain from -3 to -1.
C. Change the output attenuation from 5 to 1.
D. Change the output attenuation from 5 to 1 and change the input gain from -3 to -1.


Question No : 17 - Topic 1

Refer to the exhibits.
Cisco 642-427 question 17
Cisco 642-427 question 17
Cisco 642-427 question 17
Cisco 642-427 question 17
Cisco 642-427 question 17
Cisco 642-427 question 17
Examining the SDI trace shows that extension 2001 was configured with both a device and
a line CSS. A can is placed to 00014087071222. Which statement about the call is true?

A. The call will be blocked because the blkJntLPt partition appears in the combined CSS.
B. The call will work because the PSTN__Pt partition appears before the blk_intl_Pt partition.
C. The call will work because the blk_intl_Pt partition appears last in the combined CSS.
D. The call will not work because the blk_intl_Pt partition appears first in the combined CSS.
E. It is not possible to tell because furthertrace analysis is required


Question No : 18 - Topic 1

Which troubleshooting tool is the most effective in parsing the large traces of call setup on
many Cisco IP Phones that are registered in a Cisco Unified Communications Manager
cluster to just two Cisco IP Phones?

A. DNA
B. RTMT
C. sniffer filters
D. the Triple combo tool


Question No : 19 - Topic 1

Refer to the exhibits.
Cisco 642-427 question 19
When a remote Cisco Unified Communications Manager learns the advertised patterns that
are shown in the exhibit, which patterns would be shown in the Cisco Unified
Communications Manager RTMT tool?

A. 2XXX and the ToDiD will be 0:+498950555
B. 2XXX and the ToDiD will be 0+498953121
C. +4989505552XXX and the ToDiD will be 0:
D. +498953121 2XXX and the ToDiD will be 0:
E. Both +4989505552XXX and +4989531 21 2XXX will be advertised with ToDID of 0:


Question No : 20 - Topic 1

Which issue would cause an MGCP gateway to fail to register with Cisco Unified
Communications Manager?

A. missing the configuration command isdn bind-13 ccm-manager under the ISDN interface
B. mismatched domain name on the MGCP gateway and Cisco Unified Communications Manager gateway configuration
C. misconfigured route group in Cisco Unified Communications Manager
D. incorrect MGCP IP address specified in the gateway configuration in Cisco Unified Communications Manager


Showing 1-20 of 301 Questions   (Page 1 out of 16)

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