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Cisco 642-427 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced Features and Applications | 20% | - Extension Mobility Cross Cluster - Media resources, voice quality, and QoS issues - Call Control Discovery (CCD) and SAF |
| Topic 2: Integrated Solution Troubleshooting | 10% | - Presence and IM service troubleshooting - Unity Connection integration issues |
| Topic 3: CUCM and Registration Troubleshooting | 25% | - Gateway and trunk registration (SIP, H.323, MGCP) - CUCM service availability and database replication - Endpoint and IP phone registration issues |
| Topic 4: Call Setup and Dial Plan Troubleshooting | 25% | - Intrasite, intersite, and off-net call failures - Dial plan, route patterns, partitions, CSS, translation rules - Globalized call routing and number transformation |
| Topic 5: Troubleshooting Methodology and Tools | 20% | - Monitoring and diagnostic tools: RTMT, Serviceability, traces, logs, debugs - Systematic troubleshooting approach |
Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) Sample Questions:
Which tool or approach is the most effective to display detailed real-time output of CPU utilization of Cisco Unified Communications Manager servers for troubleshooting purposes?
- A. creating trace files
- B. RTMT
- C. DNA
- D. sniffer traces
You have received a trouble ticket from a user who could not leave a message for John Doe at extension 2001. The user stated that when the call was forwarded to voice-mail, the Cisco Unity opening greeting was played instead of John Doe's greeting. Which three issues could cause this problem? (Choose three.)
- A. A translation pattern modified the redirecting number.
- B. The exchange server was down and Cisco Unity was operating in UMR mode.
- C. Extension 2001 was not configured with the correct voice-mail profile.
- D. The voice-mail port used was configured only for Message Notification and MWI Outdial.
- E. John Doe's mailbox does not have the correct extension configured in Cisco Unity.
- F. A Cisco Unity call routing rule was added that prevented the Attempt Forward rule from being applied to the call.
Upon completion of a failover task you notice that all the CTI devices are still pointing to the backup server rather than the primary server. How should you resolve this issue?
- A. Do nothing and wait for the next failover assuming this will revert back to the primary CTI server.
- B. Stop the CTI Manager Service on the Secondary server so that all devices using CTI register with the primary.
- C. Stop the CTI Manager Service on the Primary server so that all devices using CTI stay registered with the primary CTI server.
- D. Restart the subscriber with the CTI Manager Service on the secondary.
As a network administrator, you should be familiar with the bandwidth command. Which parameter of the bandwidth command is used in gatekeeper configuration mode to specify the maximum amount of bandwidth that can be allocated in a zone?
- A. session
- B. remote
- C. total
- D. interzone
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Which Cisco troubleshooting tool allows syslog logs to be viewed?
- A. the Triple combo tool
- B. RTMT
- C. sniffer filters
- D. DNA
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