642-456 Exam

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Exam : Cisco 642-456
Title : Implementing Cisco Unified Communications Manager Part 2 (CIPT2 v6.0)


1. The Acme Corporation is experiencing poor, choppy audio quality on voice calls placed across their WAN link to and from Madison. What can be done to the Location parameter for Madison to help alleviate this problem?
A. Increase the audio bandwidth setting in the Location configuration window for Madison.
B. Nothing, the audio bandwidth Location parameter for Madison is not related to the problem.
C. Remove the audio bandwidth parameter in the Location configuration window for Madison.
D. Decrease the audio bandwidth setting in the Location configuration window for Madison.
Answer: D

2. How is recovery from SRST mode back to Cisco Unified Communications Manager call processing accomplished?
A. The IP phones receive Keepalives from Cisco Unified Communications Manager. They then register with Cisco Unified Communications Manager and cancel their registration with the SRST gateway.
B. The IP phones receive a response to Keepalives sent to Cisco Unified Communications Manager. They then register with Cisco Unified Communications Manager and cancel their registration with the SRST gateway.
C. The SRST gateway receives Keepalives from Cisco Unified Communications Manager. The SRST gateway then rejects the IP phone registrations with instructions to register with Cisco Unified Communications Manager.
D. The SRST gateway receives a response to Keepalives sent to Cisco Unified Communications Manager. The SRST gateway then rejects the IP phone registrations with instructions to register with Cisco Unified Communications Manager.
Answer: B

3. Refer to the exhibit. Horst's Helicopters has a centralized Cisco Unified Communications Manager deployment, with SRST implemented on MGCP gateways at the remotes sites. The WAN link to Seattle has failed. All phones in Seattle have registered to the SRST gateway and can call each other internally, but all outside calls fail.
Based on the output shown in the exhibit, what is the most likely solution to the problem?
A. Configure MCGP fallback on the gateway.
B. Add the isdn outgoing-voice command to the configuration.
C. Call the phone provider and report that the PRI link is down.
D. Enable the outgoing POTS dial peer with the no shutdown command.
Answer: A

4. What is the impact of setting an RSVP policy per location pair with a default interlocation RSVP service policy?
A. additional bandwidth capacity will be added to the default interlocation RSVP service policy
B. the RSVP policy will only be associated with one type of call; for example, if it is associated with video calls, audio calls will not be impacted
C. an RSVP mandatory mid-call retry counter will be added to calls that encounter mid-call retry errors
D. the default interlocation RSVP service policy will be overridden
Answer: D

5. How are Cisco Unified CallManager location parameters used?
A. Assign directory numbers to devices as they connect to the IP telephony network.
B. Implement call admission control in a centralized call processing deployment.
C. Provide alternate call routing when the primary call path is unavailable.
D. Specify the bandwidth used for audio and video calls.
Answer: B

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