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Cisco 642-457 Exam Syllabus Topics:

SectionObjectives
Security and Troubleshooting- Operational management
  • 1. Verification and troubleshooting
    • 2. Security considerations
      Media Resources- Media resource management
      • 1. MTP, transcoder, and conference resources
        • 2. Resource allocation and groups
          Cisco Service Advertisement Framework and Call Control Discovery- SAF and CCD deployment
          • 1. Dynamic call routing discovery
            • 2. Service advertisement
              Tail-End Hop-Off- TEHO implementation
              • 1. PSTN cost optimization
                • 2. Routing policy configuration
                  Call Control Features- Advanced call processing
                  • 1. Call admission control
                    • 2. Call preservation and rerouting
                      Cisco Unified Communications Applications- Application integration
                      • 1. Mobility features
                        • 2. Presence services
                          Session Management and SIP- SIP integration
                          • 1. SIP trunks
                            • 2. URI dialing
                              Intercluster Communications- Call routing between clusters
                              • 1. Intercluster trunks
                                • 2. Call admission and routing considerations
                                  Globalized Call Routing- Enterprise dial plan design
                                  • 1. Globalized numbering plans
                                    • 2. Digit manipulation and routing normalization

                                      Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) Sample Questions:

                                      1. As a voice operations engineer, you need to standardize the firmware loads on a Cisco Unified Communications Manager cluster. You need to ensure that all the IP phones are loaded with device defaults load information. Which two locations can you verify to find the IP phones that have their firmware mismatched? (Choose two.)

                                      A) Cisco Unified CM Administration > Device > Phone
                                      B) Cisco Unified Reporting > System Reports
                                      C) Cisco Unified CM Administration > Firmware Load Information
                                      D) Cisco Unified OS Administration > Settings > Version
                                      E) Cisco Unified CM Administration > Device Defaults Configuration
                                      F) Cisco Unified OS Administration > Software Upgrades > TFTP File Management


                                      2. Which two options for a Device Mobility-enabled IP phone are true? (Choose two.)

                                      A) The roaming-sensitive parameters of the current (that is, the roaming) device pool are applied.
                                      B) The phone configuration is not modified.
                                      C) If the DMGs are the same, the Device Mobility-related settings are also applied.
                                      D) The user-specific settings determine which location-specific settings are downloaded from the Cisco Unified Communications Manager device pool.


                                      3. Refer to the exhibit.

                                      Multicast MOH needs to be run from flash at the remote site. Which Cisco IOS configuration at the SRST router is correct?

                                      A) ! call-manager-fallback ip source-address 10.1.5.102 port 2000 max-ephones 2 max-dn 8 dual-line moh music-on-hold au multicast moh 239.1.1.1 port 16384
                                      B) ! call-manager-fallback ip source-address 10.1.5.102 port 2000 max-ephones 2 max-dn 8 dual-line moh music-on-hold au multicast moh 239.1.1.1 port 163t
                                      C) ! call-manager-fallback ip source-address 10.1.5.102 port 2000 max-ephones 2 max-dn 8 dual-line moh music-on-hold an multicast moh 239.1.1.1 port 32767
                                      D) call-manager-fallback ip source-address 10.1.120.1 port 2000 max-ephones 2 max-dn 8 moh music-on-hold.au multicast moh 239.1.1.1 port 32767


                                      4. Which bandwidth amounts are correct for configuring locations?

                                      A) 64 kb/s for G.729, 64 kb/s for G.711, and 64 kb/s for G.722
                                      B) 8 kb/s for G.729, 64 kb/s for G.711, and 16 kb/s for G.722
                                      C) 8 kb/s for G.729, 64 kb/s for G.711, and 64 kb/s for G.722
                                      D) 8 kb/s for G.729, 8 kb/s for G.711, and 8 kb/s for G.722


                                      5. A voice-mail product that supports only the G.711 codec is installed in headquarters.
                                      Which action allows branch Cisco IP phones to function with voice mail while using only the
                                      G.729 codec over the WAN link to headquarters?

                                      A) Configure Cisco Unified Communications Manager regions.
                                      B) Configure transcoding within Cisco Unified Communications Manager.
                                      C) Configure transcoder resources in the branch Cisco IP phones.
                                      D) Configure transcoding resources in Cisco IOS and assign to the MRGL of Cisco IP phones.


                                      Solutions:

                                      Question # 1
                                      Answer: B,C
                                      Question # 2
                                      Answer: A,C
                                      Question # 3
                                      Answer: A
                                      Question # 4
                                      Answer: C
                                      Question # 5
                                      Answer: D

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