Cisco 642-427

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Cisco 642-427 Exam Syllabus Topics:

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

1. Look at the following exhibit carefully. You are a network technician working in a middle-sized company. Some users complain that the call is always dropped as soon as it connects when they dial from BR1 to HQ through the IP WAN. Please choose the most possible reason of this issue from the following statements.

A) MTP resources need to be configured on the BR1 gateway.
B) A codec mismatch has occurred and transcoders or additional transcoding resources need to be configured at HQ.
C) H.245 capabilities exchange has failed due to insufficient bandwidth.
D) Packet loss has kept H.225 setup messages from completing the call.

2. Refer to the exhibit.

When the WAN link to headquarters fails, phones of the branch users are registered to the SRST gateway but cannot successfully dial 911 to the local Public Safety Answering Point.
Which action enables 911 dialing to the PSAP when the WAN link is down?

A) Add the command prefix 911 to dial peer 911.
B) Dialing to the PSAP is not possible when the WAN link is down.
C) Add the command telephony-service and configure Cisco Unified Communications Manager Express to the existing configuration.
D) Add the command MGCP.
E) Add the command ccm-manager redundant host 10.10.10.101.

3. Which two types of Cisco Unified Communications Manager trace files contain Call Processing information that is helpful for troubleshooting outbound and inbound calling issues?
(Choose two)

A) Cisco Unified Communications Manager SDI trace
B) Cisco Unified Communications Manager SDL trace
C) Cisco Unified Communications Manager syslog trace
D) Cisco Unified Communications Manager Log4Jtrace
E) Real Time Monitoring Tool Processes trace
F) Cisco Unified Communications Manager Dialed Number Analyzer trace

4. You are a voice technician. If you are required to solve latency issues in a VoIP network, which measures will you take? (Select three.)

A) Use dejitter buffers
B) Prioritize voice packets
C) Fragment data packets
D) Increase bandwidth

5. DRAG DROP

Solutions: