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Cisco 642-427 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Cisco Unified Communications Architecture Troubleshooting | - Cluster and server health issues
|
| Topic 2: Call Control and Dial Plan Troubleshooting | - Dial plan configuration issues
|
| Topic 3: Voice Gateway and Protocol Troubleshooting | - Media and codec issues
|
| Topic 4: Voicemail and Unified Messaging | - Cisco Unity Connection troubleshooting
|
| Topic 5: Endpoints and Registration Issues | - Endpoint performance issues
|
| Topic 6: QoS and Network Integration | - Voice quality issues
|
Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) Sample Questions:
You have configured the Enable Keep Alive check box under Trace Filter Settings. How does this change the trace output?
- A. It adds the IP address of the endpoint in hex.
- B. It adds TCP socket numbers between the endpoint and Cisco Unified CallManager for the session.
- C. It adds the SCCP messages and all fields sent as part of that message.
- D. It maps the unique TCP handle for the endpoint to the MAC address of the endpoint in the trace output.
Correct Answer: C 🗳️
Explanation: Only visible for DumpsTorrent members. You can sign-up / login (it's free).
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. AAR
- C. CAC
- D. SRST
Correct Answer: D 🗳️
Cisco CallManager 5.0 has just been deployed in two locations across a wide-area link. A distributed model with an intercluster trunk has been used. When you call an IP phone at the remote site the phone rings, but as soon as the other person picks up the phone, the call is dropped.
Where should you look to diagnose the problem?
- A. media resource group
- B. system parameters
- C. locations
- D. Cisco Unified CallManager group
- E. Cisco Unified CallManager CTI traces
Correct Answer: A 🗳️
Your company has a centralized IP Telephony system and branch offices in eight major cities. The manager of your company help desk recently published local access numbers for external customers to reduce the costs associated with your company's toll-free 800 service. However, when customers call the new local numbers they hear a reorder tone instead of your centralized IVR.
What is the best solution to this issue?
- A. Increase the number of ports in the centralized IVR.
- B. Deploy transcoders at the central location.
- C. Deploy Cisco Unified IP IVRs at each remote location.
- D. Deploy transcoders at each remote location.
Correct Answer: B 🗳️
Which statement best describes dial peers in voice gateway?
- A. Dial peers are call legs that are used to identity call source and destination endpoints and to define the characteristics that are applied to each call leg in the call connection.
- B. Dial peers are configured with call legs that are essential to implementing dial plans and providing voice services over an IP packet network.
- C. Dial peers create physical connections called call legs to complete an end-to-end call.
- D. dial peer is a physical addressable endpoint in a voice gateway.
Correct Answer: A 🗳️
Explanation: Only visible for DumpsTorrent members. You can sign-up / login (it's free).
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