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Cisco 642-437 Exam Syllabus Topics:

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

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

                          Question #1

                          For multisite deployments with distributed call processing, which three dial plan solutions does Cisco recommend? (Choose three.)

                          • A. implementing Service Advertisement Framework
                          • B. defining Call Admission Control for Cisco Extension Mobility
                          • C. implementing PSTN backup
                          • D. defining remote site redundancy options
                          • E. implementing PSTN access
                          • F. using access and site codes
                          Reveal Solution  Discussion  0

                          Correct Answer: C,E,F  🗳️

                          Question #2

                          Which codec supports VAD and CNG?

                          • A. G.723.1
                          • B. G.711
                          • C. G.729B
                          • D. G.726
                          Reveal Solution  Discussion  0

                          Correct Answer: C  🗳️

                          Question #3

                          DRAG DROP
                          Drag the appropriate IOS commands from the left and drop them in the spaces on the right in order to configure the dial peers for the Cisco Unified Border Element. The IP WAN connection between the two Cisco Unified Border Elements uses SIP. Not all commands and spaces are used.

                          Cisco 642-437 Exam

                          Reveal Solution  Discussion  0

                          Correct Answer:


                          Explanation:

                          Question #4

                          Which two functions are associated with a voice gateway? (Choose two.)

                          • A. provides logical access to analog and digital voice devices
                          • B. implements filtering, address hiding, and security related functions to analog devices
                          • C. provides supplementary services to analog and digital endpoints
                          • D. provides interconnection between multiple traditional telephony circuits
                          • E. acts as a Cisco Unified Border Element
                          Reveal Solution  Discussion  0

                          Correct Answer: C,D  🗳️

                          Question #5

                          Refer to the exhibit.

                          Cisco 642-437 Exam
                          When an inbound PSTN call to 4087071222 is received by the router that is shown in the exhibit, what is the resulting called number?

                          • A. 14081222
                          • B. 1222
                          • C. 4087071222
                          • D. 14087071222
                          • E. 11222
                          Reveal Solution  Discussion  0

                          Correct Answer: B  🗳️

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