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Exam : Cisco 642-481
Title : Cisco(r) Rich Media Communications(CRMC(r))


1. Bob's Bicycles recently implemented a H.323 videoconferencing solution, and wishes to conduct videoconferences with the main supplier over the extranet using the existing four-digit numbering plan at each company. Due to overlapping dial plans, the called digits must be manipulated to allow the video calls to be completed. Which solution can support this?
A. H.323 proxy
B. gatekeeper
C. directory gatekeeper
D. IP-to-IP gateway
Answer: D

2. Which device allows a H.323 video endpoint to establish a conference with a videoconferencing system that is connected to the PSTN?
A. H.225 gateway
B. H.320 gateway
C. H.323 proxy
D. HD gateway
Answer: B

3. How is a H.323 MCU defined in Cisco CallManager so that H.323 endpoints can communicate with endpoints that are controlled by Cisco CallManager?
A. as a H.320 gateway
B. as a H.323 gateway
C. as a gatekeeper-controlled H.225 trunk
D. as a gatekeeper-controlled intercluster trunk
Answer: C

4. Which two statements accurately describe the EMP? (Choose two.)
A. It increases the number of voice-activated sessions that are supported.
B. It increases the number of continuous presence layouts.
C. It increases the number of audio-only conference sessions that are supported.
D. It allows the MCU to perform rate matching.
E. It is required for simultaneous support for H.323 and SCCP continuous presence sessions.
Answer: BE

5. A customer wants to simultaneously support H.323 conferences with an aggregate of 20 active participants, and SCCP videoconferences with an aggregate of 30 active participants. All video sessions will use voice-activated switching. Which device should be deployed to support this?
A. Cisco IPVC 3511 Multipoint Control Unit
B. Cisco IPVC 3511 MCU E
C. Cisco IPVC 3540-03A with EMP
D. Cisco IPVC 3540 Transcoder Module
E. Cisco IPVC 3540-10A with EMP
Answer: E