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Cisco 642-426 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Troubleshooting Unified Communications (TUC) |
| Exam Number: | 642-426 |
| Exam Format: | Simulations, Multiple Choice Single Answer, Multiple Choice Multiple Answer |
| Real Exam Qty: | 50-60 |
| Passing Score: | 750 / 1000 |
| Related Certifications: | Cisco Certified Voice Professional CCNP Voice |
| Certificate Validity Period: | 3 Years |
| Exam Price: | USD 150 |
| Exam Duration: | 90 minutes |
| Available Languages: | Japanese, English |
| Recommended Training: | Troubleshooting Cisco Unified Communications Systems (TUC v1.0) |
| Exam Registration: | Pearson VUE (Historical) Cisco Retired Exams List |
| Sample Questions: |  |
| Exam Way: | Proctored at Pearson VUE testing centers; RETIRED as of July 31, 2010 |
| Pre Condition: | Valid CCNA Voice or CCNA Certification; recommended 1-2 years of UC experience |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/retired.html |
Cisco 642-426 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Cisco Unity and Unity Connection Troubleshooting | 15% | - Integration with CUCM - Call handler and routing problems - Mailbox and message access issues |
| Voice Quality and Media Issues | 20% | - QoS configuration and marking problems - Packet loss, delay, and jitter - Codec and media resource failures |
| Cisco Unified Communications Manager Troubleshooting | 30% | - Call setup and routing failures - Registration and device connectivity problems - Service and database issues - Dial plan and digit manipulation issues |
| Gateway and Protocol Troubleshooting | 15% | - DSP and hardware resource problems - H.323, SIP, and MGCP protocol issues - PSTN and trunk connectivity failures |
| Troubleshooting Methodology and Tools | 20% | - Analyzing call flow and signaling protocols - Systematic troubleshooting approach - Using CLI, GUI, Syslog, SNMP, and Traces |
Cisco Troubleshooting Unified Communications (TUC) FAQ: Tips, Versions, and Guarantees
Cisco Troubleshooting Unified Communications (TUC) is an official Cisco exam, catalogued under exam code 642-426. Passing it awards the CCVP / CCNP Voice certification at the Professional level. It also connects with CCNP Voice, Cisco Certified Voice Professional. It is built for candidates with ambitious aims, and the credential it grants is recognized accordingly.
Cisco Troubleshooting Unified Communications (TUC) spans 5 official domains, led by Cisco Unity and Unity Connection Troubleshooting (15%), Gateway and Protocol Troubleshooting (15%), and Troubleshooting Methodology and Tools (20%). The complete outline sits above; before getting down to business, look through the whole contents quickly so every later practice session has context.
The Cisco Troubleshooting Unified Communications (TUC) exam presents 50-60 questions within 90 minutes. A practical tip from successful candidates: mark the most difficult questions during practice, exchange notes on them with friends, and repeat them until they stop being difficult. The TestPassKing engine makes that loop fast, and the clock stops being a threat.
Passing Cisco Troubleshooting Unified Communications (TUC) requires 750 / 1000, and official registration costs USD 150. Retakes bill the full USD 150 again, so verify readiness before booking: when your TestPassKing practice scores clear the requirement repeatedly, including on questions you once marked as difficult, you are ready.
Valid CCNA Voice or CCNA Certification; recommended 1-2 years of UC experience
Requirements change from time to time, so confirm the current conditions before registering on the official exam page.
Cisco Troubleshooting Unified Communications (TUC) registration is handled through the official channels below.
When you schedule, note that the exam is delivered Proctored at Pearson VUE testing centers; RETIRED as of July 31, 2010.
Cisco recommends the following training for Cisco Troubleshooting Unified Communications (TUC) candidates.
Combine any training with the 283 practice questions in the TestPassKing 642-426 package; one or two focused days of repeated practice after a course is often what locks the knowledge in.
Yes, a free demo of the Cisco Troubleshooting Unified Communications (TUC) questions is available before purchase. Afterward, you can track freshness by the updating version number on the website, and whenever questions change we instantly email the details to you, free for 365 days. We even keep sending the latest questions after you pass, so you can follow every tiny change. After expiry, extending updates costs 50% of the regular price.
Your purchase carries a 100% money-back guarantee under clear conditions. Take the Cisco Troubleshooting Unified Communications (TUC) exam within 60 days of purchase; if you fail, you may claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are ineligible, as are downloaded-but-unused products, free materials, and expired orders; the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are processed within 7 days. Alternatively, exchange for two other exam products of equal value, free, keeping the update service on your original purchase.
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