PDF Version DemoCisco 642-427 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) |
| Exam Number: | 642-427 |
| Exam Format: | Simulation / Troubleshooting scenarios, Drag and drop, Multiple answer, Multiple choice |
| Passing Score: | Variable (scaled score typically around 750/1000) |
| Certificate Validity Period: | 3 years (certification validity; legacy program) |
| Available Languages: | English |
| Related Certifications: | CCNP Voice CCNA Voice (legacy) CCNP Collaboration |
| Real Exam Qty: | 45-55 (approx.) |
| Exam Price: | USD 250-300 (varies by region) |
| Exam Duration: | 90-120 |
| Recommended Training: | Cisco Learning Network - Collaboration Training Cisco Unified Communications Troubleshooting Training (legacy CCNP Voice curriculum) |
| Exam Registration: | Cisco Certification Overview Cisco Certification Registration (Pearson VUE) |
| Sample Questions: | Cisco 642-427 Sample Questions |
| Exam Way: | Computer-based exam delivered via Pearson VUE testing centers or online proctored delivery (where available) |
| Pre Condition: | Recommended: CCNA Voice or equivalent knowledge of Cisco Unified Communications systems |
| Official Syllabus URL: | https://learningnetwork.cisco.com/s/certification |
Cisco 642-427 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Voice Gateway and Protocol Troubleshooting | - Signaling protocols
|
| Cisco Unified Communications Architecture Troubleshooting | - CUCM core components and services
|
| Call Control and Dial Plan Troubleshooting | - Dial plan configuration issues
|
| Voicemail and Unified Messaging | - Cisco Unity Connection troubleshooting
|
| QoS and Network Integration | - Voice quality issues
|
| Endpoints and Registration Issues | - IP phone registration
|
Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) Sample Questions:
Question 1
You are in the final stages of upgrading the Cisco Unified Communications Manager, and you are waiting for dbreplication to complete. Which command should you execute from the Cisco Unified Communications Manager publisher to verify status reports and to check that all the tables are synchronized?
A. utils service list
B. utils dbreplication runtimestate
C. utils dbreplication quickaudit
D. utils dbreplication status
E. utils core active
F. utils dbreplication status all
Question 2
Refer to the Exhibit.
The Exhibit shows the output of an unsuccessful RSVP call setup that uses G.711 codec. Which configuration on serial 0/1/0.121 would resolve that issue?
A. ip rsvp bandwidth 40 24
B. ip rsvp bandwidth 96 80
C. ip rsvp bandwidth 40 40
D. ip rsvp bandwidth 80 16
E. ip rsvp bandwidth 96 96
Question 3
Which type of echo is found mostly on tail circuits and is due to reflection that causes the Tx signal to appear on the Rx signal?
A. Talker echo
B. Hybrid echo
C. Tail-end echo
D. Listener echo
Question 4
Refer to the exhibit.
Which course of action will resolve the Mobile Connect issues that are shown in the exhibit?
A. Make the user an owner of the phone device in phone device configuration page.
B. Enable the user Cisco Mobile Connect
C. Configure the Mobility softkey on the phone.
D. Enable the device mobility mode on the phone since it is disable.
Question 5
Which method can be used to correct database replication issues in a cluster running Cisco
Unified CallManager 5.0?
A. Execute the dblhelper utility on the publisher.
B. Enter the utils dbreplication repair command at the command-line prompt.
C. Use the Informix database utility to recreate the database subscription.
D. Run the Cisco Unified CallManager BARS utility to restore the database to the subscriber.
E. Use the SQL Server Enterprise Manager application to recreate the database subscription.
Solutions:
| Question 1 Answer: B | Question 2 Answer: E | Question 3 Answer: B | Question 4 Answer: A | Question 5 Answer: B |
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