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Cisco 642-457 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Dial Plan Implementation | - Calling search spaces and partitions - Route patterns and translation patterns |
| CUCM Architecture and Deployment | - Cluster design and redundancy concepts - Cisco Unified Communications Manager components |
| Call Routing and Gateway Integration | - PSTN connectivity and gateways - SIP and H.323 trunk configuration |
| Troubleshooting and Maintenance | - Call flow analysis and trace tools - CUCM serviceability tools |
| Advanced CUCM Features | - Extension Mobility - Device pools and regions - Call pickup and hunt groups |
| Media Resources and Services | - MOH and MTP configuration - Conferencing and transcoding resources |
Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) Sample Questions:
You want to perform Media Control Gateway Protocol gateway maintenance. For this purpose, you disable Media Control Gateway Protocol gateway using the no mgcp command.
After you perform the maintenance, you want to enable the Media Control Gateway Protocol gateway. Which command should you use?
- A. mgcp yes
- B. mgcp
- C. mgcp active
- D. activate mgcp
- E. enable mgcp
- F. mgcp enable
Correct Answer: B 🗳️
How do RSVP-enabled locations differ from Cisco Unified Communications Manager locations?
- A. RSVP enables AAR within Cisco Unified Communications Manager.
- B. RSVP is topology aware.
- C. RSVP is configured in the ISR independent of Cisco Unified Communications Manager.
- D. RSVP is configured in Cisco Unified Communications Manager independent of the ISR.
Correct Answer: B 🗳️
Assume that local route groups are configured. When an IP phone moves from one device mobility group to another, which two configuration components are not changed? (Choose two.)
- A. IP subnet
- B. SRST reference
- C. region
- D. user settings
- E. phone button settings
Correct Answer: D,E 🗳️
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Which statement about AAR functionality is true?
- A. AAR reroutes calls through the WAN when the PSTN connection fails.
- B. AAR reroutes calls through the PSTN upon WAN failure.
- C. AAR reroutes calls through the PSTN when Cisco Unified Communications Manager CAC blocks a call.
- D. AAR reroutes calls to another phone number when a Cisco IP Phone unregisters.
Correct Answer: C 🗳️
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.
How many route lists and route groups should be configured for AAR at a minimum?
- A. None. The AAR CSS can point directly to the route pattern.
- B. two route lists and two route groups for each site
- C. a single route list and four route groups for each sitea
- D. a single route list with a local route group for each site
Correct Answer: D 🗳️
