NO.1 Three calls can successfully be made across a WAN link. When a fourth call is made, the quality
of all four calls degrades. Which QoS mechanism can help avoid this problem?
A. CAC
B. FRF.12
C. LFI
D. LLQ
E. priority queuing
Answer: A

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NO.2 Which two methods can be used to correct database replication issues in a cluster running
Cisco Unified CallManager 4.1? (Choose two.)
A. Enter the utils dbreplication repair command at the command-line prompt.
B. Execute the dblhelper utility on the publisher.
C. Use the SQL Server Enterprise Manager application to recreate the database subscription.
D. Run the Cisco Unified CallManager BARS utility to restore the database to the subscriber.
E. Use the Informix database utility to recreate the database subscription.
Answer: B,C

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NO.3 In order for a third-party SIP phone to register with a Cisco Unified CallManager cluster, which
three configuration parameters must match between the phone and the cluster? (Choose three.)
A. device pool
B. DN
C. username
D. password
E. MAC address
F. SIP profile
Answer: B,C,E

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NO.4 Refer to the exhibit. You have received a trouble ticket stating that calls to international
numbers are failing. To place an international call, users dial the access code "9," followed by "011,"
the country code, and the destination number. After entering the debug isdn q931 command on the
MGCP gateway, you have the user attempt the call again.
Based on the debug output, what is the most likely cause of this problem?
A. Cisco Unified CallManager is not stripping the access code before sending the call to the gateway.
B. The gateway dial peer needs to prefix "011" to the called number so the PSTN knows this is an
international call.
C. The user's CSS does not permit international calls.
D. The TON is incorrect.
E. The circuit is not configured correctly or has a physical layer issue.
Answer: E

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NO.5 What happens if CDP is not enabled on a switch port to which an IP phone is connected?
A. The phone is unable to acquire an IP address.
B. The phone cannot get its VLAN ID assignments.
C. The phone cannot learn the address of the TFTP server.
D. The switch will put the port into the errDisable state until CDP is enabled.
Answer: B

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NO.6 What are three requirements for Quality of Service for voice calls? (Choose three.)
A. jitter less than or equal to 30 ms
B. PoE-supported Layer 2 switches used to connect IP Phones
C. one-way latency less than or equal to 150 ms
D. jitter less than or equal to 45 ms
E. guaranteed bandwidth of 384 kbps for a voice call
F. loss less than or equal to 1 percent
Answer: A,C,F

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NO.7 You have just configured Cisco CallManager. A few users in your organization complain that
when they log out, the phones are reset. You need to provide a solution to this problem. What should
you do?
A. Restart the TFTP service.
B. Restart the Internet Information Service (IIS).
C. Change the DNS address to IP address.
D. Restart the Computer Telephony Integration (CTI).
E. Reboot the phones.
F. Edit the form.jsp file and make appropriate changes.
Answer: C

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NO.8 Which two log files contain the issues related to audio quality? (Choose two.)
A. diag_CuMixer_*.uc
B. diag_CuNotifier_*.uc
C. diag_CuSysAgent_*.uc
D. diag_SttService_*.uc
E. diag_CuReportDataHarvester_*.uc
F. diag_CuCsMgr_*.uc
Answer: A,F

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Exam Code: 642-427
Exam Name: Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0)
One year free update, No help, Full refund!
642-427 Real Dumps Total Q&A: 301 Questions and Answers
Last Update: 06-24,2015

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