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Cisco 642-457 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Call Routing and Gateway Integration | - SIP and H.323 trunk configuration - PSTN connectivity and gateways |
| CUCM Architecture and Deployment | - Cisco Unified Communications Manager components - Cluster design and redundancy concepts |
| Troubleshooting and Maintenance | - Call flow analysis and trace tools - CUCM serviceability tools |
| Dial Plan Implementation | - Route patterns and translation patterns - Calling search spaces and partitions |
| Media Resources and Services | - MOH and MTP configuration - Conferencing and transcoding resources |
| Advanced CUCM Features | - Extension Mobility - Call pickup and hunt groups - Device pools and regions |
Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) Sample Questions:
Which statement about SIP precondition is most correct?
- A. When configuring SIP precondition, the SIP trunk must have access to an RSVP agent.
- B. When configuring SIP precondition, the IP phones must have access to an RSVP agent.
- C. SIP trunk will always require RSVP agents regardless of what RSVP type is configured.
- D. When configuring SIP precondition, the IP phones and SIP trunk must have access to an RSVP agent.
- E. RSVP agents are only required for the IP phones. SIP trunks require RSVP agents only when fall back to local RSVP is configured.
How are Cisco IP Phones directly configured to utilize local route groups?
- A. with Cisco Unified Communications Manager device pools
- B. with Cisco Unified Communications Manager AAR
- C. with Cisco Unified Communications Manager CSS and partitions
- D. with Cisco Unified Communications Manager locations
- E. with Cisco Unified Communications Manager regions
When an incoming PSTN call arrives at an H.323 gateway, how does the calling number get normalized to a global E.164 number with + prefix in Cisco Unified Communications Manager?
- A. Normalization is achieved by local route group that is assigned to the H.323 gateway.
- B. Normalization is done using the gateway incoming calling party prefixes based on number type.
- C. Normalization is done using translation patterns.
- D. Normalization is done using the gateway incoming called party prefixes based on number type.
- E. Normalization is done using route patterns.
Which statement best describes globalized call routing in Cisco Unified Communications Manager?
- A. All phone directory numbers are configured as an 164 with the + prefix.
- B. The CSS of all phones contain partitions assigned to route patterns that are in global format.
- C. All called numbers sent out to the PSTN are in E.164 with the + prefix format.
- D. All incoming calling numbers on the phones are displayed as an E.164 with the + prefix.
- E. Call routing is based on numbers represented as an E.164 with the + prefix format.
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Cisco Unified border element is configured to support RSVP-based CAC. When is the RSVP path and reservation message sent and received?
- A. The path is setup once the global command call rsvp-sync is configured.
- B. The path and reservation messages are sent and received immediately after the call setup message is received.
- C. Immediately after the call setup message is received and the reservation message is received after H.245 capabilities negotiation is completed.
- D. The path and reservation messages are sent and received after the H.245 capabilities negotiation is completed.
