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Cisco 642-457 Exam Syllabus Topics:

SectionObjectives
Cisco Service Advertisement Framework and Call Control Discovery- SAF and CCD deployment
  • 1. Service advertisement
    • 2. Dynamic call routing discovery
      Globalized Call Routing- Enterprise dial plan design
      • 1. Digit manipulation and routing normalization
        • 2. Globalized numbering plans
          Tail-End Hop-Off- TEHO implementation
          • 1. PSTN cost optimization
            • 2. Routing policy configuration
              Intercluster Communications- Call routing between clusters
              • 1. Call admission and routing considerations
                • 2. Intercluster trunks
                  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
                              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 Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) Sample Questions:

                                      Refer to the exhibit.

                                      The HQ site uses area code 650. The BR1 site uses area code 408. The long distance national code for PSTN dialing is 1. To make a long distance national call, an HQ or BR1 user dials access code 9, followed by 1, and then the 10-digit number.
                                      Both sites use MGCP gateways. AAR must use globalized call routing using a single route pattern. Assume that all outgoing PSTN numbers are localized at the egress gateway as shown in the exhibit.
                                      Which partition should be configured in the AAR CSS applied at the phones?

                                      • A. The HQ AAR CSS must include a partition assigned to route pattern 91408XXXXXXX. The BR1 AAR CSS must include a partition assigned to route pattern 91650XXXXXXX.
                                      • B. AAR CSS must contain translation pattern 9.1[2-9]XX[2-9]XXXXXX for each site that must be globalized. Otherwise the called numbers will not be localized at the egress gateway.
                                      • C. LD partition
                                      • D. PSTN partition
                                      Reveal Solution  Discussion  0

                                      Correct Answer: D  🗳️

                                      Which system configuration is used to set audio codecs?

                                      • A. licensing
                                      • B. physical location
                                      • C. location
                                      • D. region
                                      Reveal Solution  Discussion  0

                                      Correct Answer: D  🗳️

                                      When you configure TEHO for long-distance calls and use the local PSTN gateways as fallback, how many route patterns do you require for a cluster with five sites that are located in different area codes?

                                      • A. 6 when using a local route group
                                      • B. 15 when not using a local route group
                                      • C. 5 when using a local route group
                                      • D. 10 when not using a local route group
                                      Reveal Solution  Discussion  0

                                      Correct Answer: A  🗳️

                                      Which two configurations provide the best SIP trunk redundancy with Cisco Unified Communications Manager? (Choose two.)

                                      • A. Configure all SIP trunks with DNS SRV
                                      • B. Configure all SIP trunks to point to a gatekeeper through SIP to H.323 gateway
                                      • C. Configure SIP trunks to be members of route groups and route lists
                                      • D. Configure all SIP trunks to point to a SIP gateway
                                      • E. Configure all SIP trunks with Cisco Unified Border Element
                                      • F. Configure all SIP trunks to allow TCP ports 5060
                                      Reveal Solution  Discussion  0

                                      Correct Answer: A,C  🗳️

                                      Explanation: Only visible for PassLeader members. You can sign-up / login (it's free).

                                      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 64 kb/s for G.722
                                      • C. 8 kb/s for G.729, 64 kb/s for G.711, and 16 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
                                      Reveal Solution  Discussion  0

                                      Correct Answer: B  🗳️

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