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Cisco 642-437 Exam Syllabus Topics:

SectionWeightObjectives
Implement Cisco Unified Communications Manager Express18%- Basic call features and dial plans
- IP phone registration and provisioning
- CUCME setup and configuration
Implement Voice Gateways22%- Gateway types and deployment models
- Dial peers configuration
- Fax and modem support
- Analog and digital voice ports
Describe a Dial Plan13%- Call routing and PSTN connectivity
- Dial plan components and functions
- Digit manipulation and route patterns
Implement QoS for Voice Networks15%- Call Admission Control
- Classification, marking, and policing
- QoS principles and requirements
- Queuing mechanisms and AutoQoS
Implement Gatekeeper and Cisco Unified Border Element12%- Gatekeeper functions and configuration
- CUBE deployment and features
- Interoperability and security
Describe VoIP Call Legs and Signaling20%- Codec selection and media transport
- H.323, SIP, and MGCP protocols
- VoIP architecture and call flow

Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:

Which signaling protocol is proprietary to Cisco?

  • A. SCCP
  • B. H.323
  • C. MGCP
  • D. SIP
Answer: A

Which version of Cisco Unified Communications Manager Express is recommended that is supported on endpoints running Cisco IOS 15.0(1)M?

  • A. 8.5
  • B. 7
  • C. 7.1
  • D. 8
Answer: C

Which command is used to enable the AutoQoS feature on an incoming interface while also trusting existing quality of service markings?

  • A. router(config)#auto qos voip trust interface interface
  • B. router(config-if)#auto qos voip
  • C. router(config-if)#auto qos voip trust
  • D. router(config)#auto qos voip interface interface
Answer: C

What is the reason that an outgoing call succeeds when COR is applied to the incoming dial peer, but no COR is applied to the outgoing dial peer?

  • A. The outgoing dial peer, by default, has the lowest priority.
  • B. 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.
  • C. 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.
  • D. The incoming dial peer, by default, has the highest COR priority when no COR is applied.
Answer: A

Which path-selection strategy can be used to avoid expensive public switched telephone network calls when an existing network (IP) link exists between sites?

  • A. toll-bypass
  • B. site-code dialing
  • C. explicit preference
  • D. Tail-End Hop-Off
Answer: A

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