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Cisco 642-437 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Implement QoS for Voice Networks | 15% | - Call Admission Control - Classification, marking, and policing - QoS principles and requirements - Queuing mechanisms and AutoQoS |
| Topic 2: Describe a Dial Plan | 13% | - Dial plan components and functions - Call routing and PSTN connectivity - Digit manipulation and route patterns |
| Topic 3: Implement Gatekeeper and Cisco Unified Border Element | 12% | - CUBE deployment and features - Interoperability and security - Gatekeeper functions and configuration |
| Topic 4: Implement Cisco Unified Communications Manager Express | 18% | - CUCME setup and configuration - Basic call features and dial plans - IP phone registration and provisioning |
| Topic 5: Implement Voice Gateways | 22% | - Gateway types and deployment models - Dial peers configuration - Analog and digital voice ports - Fax and modem support |
| Topic 6: Describe VoIP Call Legs and Signaling | 20% | - VoIP architecture and call flow - H.323, SIP, and MGCP protocols - Codec selection and media transport |
Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:
What are the two major types of VoIP gateways?
- A. CAS and CCS
- B. analog and digital
- C. E and M
- D. FXO and FXS
Correct Answer: B 🗳️
Which process does a voice gateway use to determine how to route an outbound call?
- A. The voice gateway uses the longest-match rule to match the called number to the destination pattern to the outbound POTS or VoIP dial peers.
- B. The voice gateway uses the calling number to match the destination pattern of the outbound dial peers using the longest-match rule.
- C. The voice gateway uses the called number to match the destination pattern of outbound dial peers using the first-match rule.
- D. The voice gateway uses the first-match rule to match the calling number to the destination pattern of the outbound POTS and VoIP dial peers.
Correct Answer: A 🗳️
Which address type would Session Initiation Protocol address [email protected] classify as?
- A. email
- B. username at a fully qualified domain name
- C. E.164
- D. mixed format
Correct Answer: B 🗳️
Which command should you use to configure a Skinny Call Control Protocol directory number with an extension of 1003 and secondary number 9195551003?
- A. number 1003 9195551003
- B. number 1003 secondary 9195551003
- C. extension 1003 9195551003
- D. extension 1003 secondary 9195551003
Correct Answer: B 🗳️
At what point in a VoIP network are the existing class of service or differentiated services code point values considered valid and are used throughout the rest of the network?
- A. marking boundary
- B. trust boundary
- C. access layer
- D. distribution layer
Correct Answer: B 🗳️
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