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Cisco 642-437 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Describe a Dial Plan | 13% | - Digit manipulation and route patterns - Dial plan components and functions - Call routing and PSTN connectivity |
| Topic 2: Implement Voice Gateways | 22% | - Analog and digital voice ports - Fax and modem support - Gateway types and deployment models - Dial peers configuration |
| Topic 3: Implement Gatekeeper and Cisco Unified Border Element | 12% | - Gatekeeper functions and configuration - CUBE deployment and features - Interoperability and security |
| Topic 4: Implement Cisco Unified Communications Manager Express | 18% | - IP phone registration and provisioning - CUCME setup and configuration - Basic call features and dial plans |
| Topic 5: Implement QoS for Voice Networks | 15% | - QoS principles and requirements - Queuing mechanisms and AutoQoS - Call Admission Control - Classification, marking, and policing |
| 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:
Which command should you use to configure an analog ear and mouth voice port to use the most popular type outside of North America?
- A. Type IV
- B. Type I
- C. Type V
- D. Type II
Which Cisco Unified Communications Manager component provides direct digital-to-digital conversion from one codec to another?
- A. media termination point
- B. digital signal processor
- C. media converter
- D. coder
Your PSTN carrier sends digits to your T1 PRI circuit in a digit-by-digit format. How must the T1 PRI circuit be configured to support this capability?
- A. The T1 controller needs to include the isdn overlap-receiving command.
- B. The T1 PRI controller supports either en-bloc or digit-by-digit formats natively.
- C. The serial interface that is associated with the T1/E1 controller needs to include the isdn overlap-receiving command.
- D. The serial interface that is associated with the T1 controller needs to include the isdn incoming-voice command.
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What is the reason that an outgoing call succeeds when there is no COR list that is applied to the incoming dial peer and a COR list is applied to the outgoing dial peer?
- A. The COR list for incoming calls on the incoming dial peer is a superset of COR lists for outgoing calls on the outgoing dial peer.
- B. The incoming dial peer, by default, has the highest COR priority when no COR is applied.
- C. The outgoing dial peer, by default, has the lowest priority.
- D. COR lists for incoming calls on the incoming dial peer are not a superset of COR lists for outgoing calls on the outgoing dial peer.
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Which type of North American Numbering Plan number code is used to designate a number for special purposes?
- A. carrier identification codes
- B. Automatic Number Identification II digits
- C. service codes
- D. easily recognizable codes
Zebulon 
Kama 
Elton 
Cornell 
Cornelia 
Bradley 
Moses 
Andrea 
Joyce 
Murray 
Alfred 
Ella 
Priscilla 
Jo 
Lydia 
