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Cisco 642-427 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Voice Gateway and Protocol Troubleshooting | - Media and codec issues
|
| QoS and Network Integration | - Voice quality issues
|
| Cisco Unified Communications Architecture Troubleshooting | - CUCM core components and services
|
| Endpoints and Registration Issues | - IP phone registration
|
| Call Control and Dial Plan Troubleshooting | - Call routing failures
|
| Voicemail and Unified Messaging | - Cisco Unity Connection troubleshooting
|
Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) Sample Questions:
Your Cisco Unified CallManager 5.0 cluster is using your corporate Windows 2003 Active Directory for user information. Over the weekend you updated the Windows 2003 Active Directory Server and added a small group of new users. Cisco Unified CallManager is configured to synchronize with the Active Directory server every 8 hours and it has been 32 hours since the last successful synchronization. The configuration on Cisco Unified CallManager did not change during the Active Directory server upgrade and the remainder of the Windows network is functioning properly.
What are two possible causes of this synchronization issue? (Choose two.)
- A. The synchronization on the AD server was set to manual.
- B. Authorization has not been configured for a third party LDAP service.
- C. There is a username and or password mismatch between the Cisco Unified CallManager cluster and the Windows AD server.
- D. The domain controllers are down.
- E. The LMHOSTS file has been corrupted.
Correct Answer: C,D 🗳️
In a Cisco UCM multisite WAN with centralized call-processing deployment model, what redundancy feature should be configured on remote site routers to supply basic IP telephony services in the event of a WAN outage?
- A. V3PN
- B. CAC
- C. AAR
- D. SRST
Correct Answer: D 🗳️
DRAG DROP
Correct Answer:
Explanation:
Explanation- CUCM RTMT tools are basically used to get different traces, logs and monitoring where serviceability is used for setting alarm to different levels and trace files.
After a successful login using Cisco Extension Mobility, an IP phone performs a restart followed by a reset.
What can cause this issue?
- A. The user device profile and the phone that is used for the Cisco Extension Mobility log in do not use the same phone protocol.
- B. The phone model to which the user logged in is a different model than the model that is configured in the user device profile.
- C. The locale that is configured on the phone is different than the locale that is configured in the user device profile.
- D. The security profile that is specified in the user device profile does not match the security profile for the phone where the user logged in.
Correct Answer: C 🗳️
You want to configure calls from a branch office with the G.729 codec to interoperate with a device in headquarters that supports only G.711.
Which two troubleshooting approaches achieve this requirement? (Choose two.)
- A. Configure transcoding on the gateway to register with SCCP to Cisco Unified Communications Manager.
- B. Configure transcoding on the gateway to register with SIP to Cisco Unified Communications Manager.
- C. Configure the transcoder to use DSP resources on the gateway.
- D. Configure transcoding on the gateway to use resources on Cisco Unified Communications Manager.
Correct Answer: A,C 🗳️
