Individuals interested in obtaining the CCNP Voice certification from Cisco should take the 642-427 Troubleshooting Cisco Unified Communications exam. This exam, which consists of 60-70 questions, will test competency in Cisco Unified Communications systems; in addition to troubleshooting processes, candidates will need to be comfortable supporting the features of Cisco Unified Communications Manager 8.0, which include Call Control Discovery and Extension Mobility Cross Cluster.
Nearly a quarter of the exam’s questions will focus on troubleshooting call setup issues. Troubleshooting other issues involving registration, databases, applications, media resources, and voice quality will also be tested. Candidates must be able to apply the Cisco recommended methodology to determine issues and should be able to identify appropriate troubleshooting tools.
Candidates can prepare for this exam by enrolling in the Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) training course, which teaches the above information in enterprise, mid-market, and commercial deployments in single-site and multi-site environments. It is important that participants have a taste of troubleshooting in each type of deployment.
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