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Cisco 642-457 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Multisite Dial Plan Implementation | 25% | - Partition, CSS, and numbering plan design - Globalized call routing and E.164 dialing - Tail-End Hop-Off (TEHO) and PSTN backup - Local Route Groups and global transformations |
| Topic 2: Call Survivability & Redundancy | 20% | - Failover and fallback verification - SRST and CUCM Express survivability - Centralized call processing redundancy - MGCP fallback configuration |
| Topic 3: Multisite CUCM Infrastructure & Trunks | 20% | - Multisite architecture and connectivity options - Implement H.323, MGCP, and SIP gateways - Configure intercluster trunks and call control discovery - SAF Forwarder and SAF CCD implementation |
| Topic 4: Mobility Features | 15% | - Device Mobility configuration - Extension Mobility implementation - Mobility features verification |
| Topic 5: Bandwidth Management & Call Admission Control | 20% | - Gatekeeper-based CAC - Regions and locations configuration - Automated Alternate Routing (AAR) - Media resources: MTP, transcoders, conferencing, MOH - RSVP agents and SIP precondition |
Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) Sample Questions:
1. Refer to the exhibit.
How does the Cisco Unified Communications Manager advertise dn-block 2?
A) 14087071222
B) +14087071222
C) +14087071222 with number type international
D) 14087071222 with number type international
2. What are two important considerations when implementing TEHO to reduce long-distance cost? (Choose two.)
A) caller ID
B) on-net calling patterns
C) E911 calling
D) number of route patterns
3. Assume that the Cisco IOS SAF Forwarder is configured correctly. Which minimum configurations on Cisco Unified Communications Manager are needed for the SAF registration to take place?
A) SAF Trunk, CCD Requesting Service, and CCD Advertising Service
B) SAF Trunk, SAF Security Profile, SAF Forwarder, CCD Requesting Service, and CCD Advertising Service
C) SAF Trunk, SAF Security Profile, SAF Forwarder, and CCD Requesting Service
D) SAF Trunk, SAF Security Profile, SAF Forwarder, and CCD Advertising Service
E) SAF Trunk, SAF Security Profile, and SAF Forwarder
4. How does the system intelligently shift call processing upon restoration of WAN connectivity?
A) manually back to the primary Cisco Unified Communications Manager cluster
B) automatically back to the secondary Cisco Unified Communications Manager cluster
C) manually back to the secondary Cisco Unified Communications Manager cluster
D) automatically back to the primary Cisco Unified Communications Manager cluster
5. In a node-specific Service Advertisement Framework forwarder deployment model, what is the maximum number of Service Advertisement Framework forwarders that you can assign to a specific node?
A) 4
B) 3
C) 1
D) 6
E) 5
F) 2
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A,C | Question # 3 Answer: C | Question # 4 Answer: D | Question # 5 Answer: F |
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