The Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) 642-427 is the exam associated with the CCNP Voice certification. This exam tests a candidate's knowledge and skills required to troubleshoot Cisco Unified Communications systems and solutions in different deployments. In addition, the exams tests a candidates knowledge in troubleshooting methodology, triage, resources, tools, and fixes for Cisco Unified Communications Manager and the new v8.0 features such as Call Control Discovery, SIP Precondition, Extension Mobility Cross Cluster as well as dial plan troubleshooting including globalized call routing. Candidates can prepare for this exam by taking the TVOICE v8.0 Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) 642-427 course.
Cisco CCNP Voice 642-427시험자료
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NO.1 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
NO.2 Which four of the following options are Cisco-supported IP telephony deployment models?
A. Single site
B. Multisite with distributed call processing
C. Multisite with centralized call processing
D. Clustering over the IP WAN
E. Transcoding
Answer: A,B,C,D
NO.3 As a network technician, you should be familiar with various commands. Which command
displays a count of successful and unsuccessful control commands?
A. show mgcp calls
B. show mgcp statistics
C. show mgcp
D. debug mgcp statistics
Answer: B
Explanation:
ReferencE. TVOICE 2-31
NO.4 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
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
NO.6 In a SIP direct call setup, which message will be sent by the originating UAC to the UAS of the
recipient?
A. INVITE
B. RINGING
C. ACK
D. OK
Answer: A
NO.7 Please choose four mandatory features of an H.323 gatekeeper from the following items.
A. Admission control
B. Address resolution
C. Bandwidth control
D. Zone management
Answer: A,B,C,D
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
Posted 2015/7/1 10:06:46 | Category: cisco | Tag: 642-427시험자료