642-426 TUC Exam Topics (Blueprint)

Exam Description

The 642-426 Troubleshooting Cisco Unified Communications Systems (TUC) exam is the exam associated with the CCNP Voice certification. Candidates can prepare for this exam by taking Troubleshooting Cisco Unified Communications (TUC) course. The exam will certify that the successful candidate has the knowledge and skills necessary to troubleshoot Enterprise CallManager, Unity, and IP network deployments. The exam addresses hands-on experience in configuring, deploying, and troubleshooting Unified Communications solutions see Claims and Components attached).

Exam Topics

The following topics are general guidelines for the content likely to be included on the 642-426 TUC exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposes, the guidelines below may change at any time without notice.

Apply the Cisco recommended methodology used to determine general Unified communications system problems and issues

• Describe the steps that can be used to identify a problem with a given unified communication system
• Identify tools that can be used to identify and isolate problems
• Correlate events (using traces, logs, and monitoring tools to identify the problem)
• Parse and interpret trace logs and system logs

Troubleshoot call setup issues

• Troubleshoot PSTN call setup issues
• Troubleshoot intersite call setup issues
• Troubleshoot intrasite call setup issues

Troubleshoot registration issues

• Troubleshoot issues with endpoint registration
• Troubleshoot issues with gateway registration
• Troubleshoot issues with gatekeeper registration

Troubleshoot database issues

• Troubleshoot database replication issues in CallManager 4.x
• Troubleshoot database replication issues in CallManager 5.x
• Troubleshoot 3rd party LDAP synchronization issues

Troubleshoot application issues

• Troubleshoot voicemail integration
• Troubleshoot CTI integration issues
• Troubleshoot IP phone XML services

Troubleshoot media resources

• Troubleshoot music on hold
• Troubleshoot conference bridges
• Troubleshoot transcoders
• Troubleshoot MTP

Troubleshoot voice quality issues

• Troubleshoot echo
• Troubleshoot dropped calls
• Troubleshoot audio quality issues

Troubleshoot security issues

• Troubleshoot authentication issues
• Troubleshoot certificate issues

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