• Exam Code: 642-437
  • Exam Name: Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)
  • Certification Provider: Cisco
  • Corresponding Certification:CCNP
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Cisco 642-437 Exam Syllabus Topics:

SectionObjectives
Quality of Service (QoS)- QoS mechanisms
  • 1. AutoQoS and queuing
    • 2. DiffServ and classification
      VoIP Fundamentals- Voice over IP basics
      • 1. Voice signaling protocols (H.323, SIP)
        • 2. VoIP components and operation
          Troubleshooting- Troubleshooting voice and QoS issues
          • 1. Common voice call issues
            • 2. Diagnostics and show/debug commands
              Cisco Unified Border Element (CUBE)- CUBE features and configuration
              • 1. SIP trunks and interworking
                • 2. Media flow and protocol interworking
                  Cisco Unified Communications Manager Express- CUCME configuration
                  • 1. Call handling and features
                    • 2. Endpoint addressing and ephone setup
                      Voice Gateways and Call Routing- Gateway implementation and configuration
                      • 1. Dial peers and dial plan implementation
                        • 2. Voice gateway interfaces and DSPs

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

                          Which three call permissions are assigned with the Employee calling privileges? (Choose three.)

                          • A. local
                          • B. long distance
                          • C. international
                          • D. 911 (emergency)
                          Reveal Solution  Discussion  0

                          Correct Answer: A,B,D  🗳️

                          What is matched first in an inbound dial peer?

                          • A. answer-address
                          • B. a dial peer with a voice port
                          • C. incoming called-number
                          • D. destination-pattern
                          Reveal Solution  Discussion  0

                          Correct Answer: C  🗳️

                          Refer to the exhibit.

                          When 5551234 is being matched with the outgoing dial peer that is shown in the exhibit, which of the following called numbers will be sent to the VoIP network?

                          • A. 5
                          • B. 555
                          • C. 1234
                          • D. 51234
                          • E. Null
                          • F. 5551234
                          Reveal Solution  Discussion  0

                          Correct Answer: F  🗳️

                          Which scenario requires QoS to be deployed on a network?

                          • A. an end-to-end audit
                          • B. an echo
                          • C. slow performance
                          • D. consistent bandwidth
                          Reveal Solution  Discussion  0

                          Correct Answer: A  🗳️

                          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 serial interface that is associated with the T1 controller needs to include the isdn incoming-voice command.
                          • B. The T1 PRI controller supports either en-bloc or digit-by-digit formats natively.
                          • C. The T1 controller needs to include the isdn overlap-receiving command.
                          • D. The serial interface that is associated with the T1/E1 controller needs to include the isdn overlap-receiving command.
                          Reveal Solution  Discussion  0

                          Correct Answer: D  🗳️

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