642-481 Exam Questions
Cisco Rich Media Communications Exam
Cisco Rich Media Communications Exam
Exam Number:
642-481Duration: 90 minutes (75-85 questions)
Available Languages: English and Japanese
Exam Topics
The following information provides general guidelines for the content likely to be included on the exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposes the guidelines below may change at any time without notice.
Describe a Cisco video over IP network in different customer scenarios using the concepts and components of a Cisco Unified Videoconferencing solution.
Identify different video over IP scenarios and characterize the Cisco supported video supported components.
Describe video communication features and identify customer feature requirements.
Compare different characteristics of video calls and will identify transcoding requirements and list the ports used in IP video communication.
Describe the purpose, structure and definition of H.323 IP video components and examine a H.323 IP video call flow.
Define complex H.323 IP video environment operations, including zones, service prefixes, call admission control and gatekeeper redundancy.
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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
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