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Cisco 642-427 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Voice Gateway and Protocol Troubleshooting | - Media and codec issues
|
| Topic 2: Endpoints and Registration Issues | - Endpoint performance issues
|
| Topic 3: Voicemail and Unified Messaging | - Cisco Unity Connection troubleshooting
|
| Topic 4: Cisco Unified Communications Architecture Troubleshooting | - CUCM core components and services
|
| Topic 5: QoS and Network Integration | - Voice quality issues
|
| Topic 6: Call Control and Dial Plan Troubleshooting | - Call routing failures
|
Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) Sample Questions:
1. Your Cisco Unified CallManager 5.0 cluster has just started to use a third-party LDAP service. Users complain that they are unable to make changes to their passwords in their Cisco Unified CallManager user web pages. How should you resolve this problem?
A) Restart the phones that are having problems to reinitialize the LDAP database.
B) Have the users make changes to their passwords in the LDAP database.
C) Change the passwords on the IP phone screen using the TUI.
D) Configure automatic synchronization of the LDAP database.
2. Refer to the exhibit.
An engineer is troubleshooting an outbound call and needs to see each step of the dial plan as it is being parsed in the system. The engineer is not able to see all of the steps in the trace output. How can this problem be resolved?
A) Change the SDL Trace Flush Immediately to True.
B) Change the SDL TraceType Flag to 0x9000EC44
C) No change is needed; the steps are automatically shown in trace files.
D) Change the Digit Analysis Complexity to TranslationAndAlternatePatternAnalysis.
E) Change the SDL Trace Max File Size to a higher number because it is not large enough to display dial plan steps.
3. Refer to Exhibit.
Assume that all learned SAF routes are placed in the SAF_Pt partition.
The 3XXXdirectory number pattern is being advertised by a remote cluster and is also being blocked by the local cluster that is shown in the exhibit. An IP Phone is attached to the local cluster and is configured with a CSS that contains the following partitions: SAF_Pt and internal_Pt in this order. When the IP phone places a call to 3001, what will occur?
A) The call will fail because it will be blocked by the CCO blocked Learned Route configuration.
B) The Call will be placed in a round-robin fashion between the SAF network and SIP_trunk.
C) The Call will be placed in a round -robin fashion between the SAF network and SIP network and SIP_Trunk Every other call will fail.
D) The call will succeed and will be placed via the SIP_Trunk.
4. Which of the following describes SIP Early Offer?
A) In SIP Early Offer mode, the SDP media capabilities are sent in the 200 OK messages of the calling device.
B) Early Offer always uses session indicator 183
C) In SIP Early Offer mode, the SDP media capabilities are sent in the INVITE message calling device.
D) In SIP Early Offer mode, the INVITE and the 200 OK messages use non-SDP message format to indicate SIP Early Offer
5. Which troubleshooting tool is the most effective to display detailed real-time output of call setup on phones that are registered to a Cisco Unified Communications Manager cluster?
A) Implement DNA to create trace files.
B) Create trace files from Cisco Unified Reporting.
C) Implement RTMT to create trace files.
D) Integrate an MGCP gateway with a Cisco Unified Communications Manager cluster to redirect trace files to the MGCP gateway.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: C |
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