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I don't know whether you have heard about our 642-427 original questions: Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0). Nevertheless, I still want to make a brief introduction about our 642-427 answers real questions for the sake of your own benefits. Do you think I am a little bit pretentious? Well, I would like to extend my sincere gratitude if you do not make such an early conclusion. Upon reading the following text, all your doubts will be dissipated.
Cisco 642-427 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Cisco Unified Presence and Mobility | - Mobility and extension mobility issues - Presence service troubleshooting |
| Topic 2: Quality of Service and Voice Quality | - Voice quality diagnostics - Latency, jitter, and packet loss analysis - QoS verification and troubleshooting |
| Topic 3: Voice Gateways and Trunks | - MGCP gateway troubleshooting - H.323 gateway troubleshooting - SIP trunk troubleshooting - PSTN connectivity issues |
| Topic 4: IP Phones and Endpoints | - Phone registration and provisioning - Firmware and endpoint connectivity issues |
| Topic 5: Cisco Unified Communications Manager | - Dial plan troubleshooting - Call processing issues - Device registration problems |
| Topic 6: Troubleshooting Methodology | - Structured troubleshooting process - Diagnostic tools and techniques - Log and trace analysis |
| Topic 7: Cisco Unity and Voice Applications | - Voicemail integration issues - Messaging service troubleshooting |
| Topic 8: Media Resources | - Transcoders and conference bridges - Media Termination Points - Music on Hold and annunciators |
Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) Sample Questions:
Refer to the exhibits.
End-to-end RSVP with local RSVP fallback has been configured on the HO Cisco Unified Communications Manager. RSVP between the locations that are assigned to the IP phones and SIP trunk at the HQ site is configured as mandatory. When a call is placed from an HQ phone to a BR phone, the end-to-end RSVP request fails.
Refer to the SDI trace. Which statement about the call is true?
- A. Only local RSVP will take place at both the HQ and BR Cisco Unified Communications Managers.
- B. The Cisco Unified Communications Manager at HO will use end to end RSVP. The BR Cisco Unified Communications Manager will use local RSVP.
- C. The call will proceed as a normal call with no RSVP reservation.
- D. The Cisco Unified Communications Manager at HO will fall back to local RSVP and place the call No RSVP end-to-end will occur.
- E. The call will fail.
Correct Answer: E 🗳️
Explanation: Only visible for TestValid members. You can sign-up / login (it's free).
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. Listener echo
- B. Talker echo
- C. Hybrid echo
- D. Tail-end echo
Correct Answer: C 🗳️
Explanation: Only visible for TestValid members. You can sign-up / login (it's free).
Which issue would cause an MGCP gateway to fail to register with Cisco Unified Communications Manager?
- A. missing the configuration command isdn bind-13 ccm-manager under the ISDN interface
- B. misconfigured route group in Cisco Unified Communications Manager
- C. mismatched domain name on the MGCP gateway and Cisco Unified Communications Manager gateway configuration
- D. incorrect MGCP IP address specified in the gateway configuration in Cisco Unified Communications Manager
Correct Answer: C 🗳️
Explanation: Only visible for TestValid members. You can sign-up / login (it's free).
Please make the correct selection order for inbound POTS calls.
1.default dial peer
2.DNS with incoming called-number
3.ANI with destination pattern
4.originating voice port with configured dial peer port
5.ANI with answer address
- A. 2 > 3 > 5 > 4 > 1
- B. 2 > 5 > 3 > 4 > 1
- C. 3 > 5 > 2 > 4 > 1
- D. 1 > 3 > 5 > 4 > 2
Correct Answer: B 🗳️
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