642-427 TVOICE v8.0 Exam Topics (Blueprint)

Exam Description

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 Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) 642-427 course.

Exam Topics

The following information provides general guidelines for the content likely to be included on the 642-427 TVOICE v8.0 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 available for troubleshooting
• Identify tools available for monitoring

Identify available tools to operate and troubleshoot a Unified Communications System

• Describe troubleshooting and monitoring tools
• Determine appropriate tools to use for troubleshooting and monitoring system
• Correlate events based on traces, logs, debugs and output of monitoring tools
• Parse and interpret traces, logs, debugs and output of monitoring tools

Troubleshoot registration issues

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

Troubleshoot call setup issues

• Troubleshoot intersite call setup issues
• Troubleshoot intrasite call setup issues
• Troubleshoot off-net call setup issues

Troubleshoot database issues

• Troubleshoot database replication issues in Cisco Unified Communications Manager

Troubleshoot call control discovery and Cisco Inter Company Media Exchange

• Troubleshoot Service Advertisement Framework Forwarder issues
• Troubleshoot Service Advertisement Framework Client Control issues
• Troubleshoot Service Advertisement Framework Call Control Discovery issues

Troubleshoot application issues

• Troubleshoot Cisco Extension Mobility issues
• Troubleshoot Cisco Unified Communications Manager Device Mobility issues
• Troubleshoot Cisco Unified Mobility issues

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