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Which two pieces of information does RTCP use to inform endpoint devices about the RTP flow? (Choose two.)
Correct Answer: A,B
Explanation/Reference: Explanation: RTCP transports statistics for a media connection and information such as transmitted octet and packet counts, packet loss, packet delay variation, and round-trip delay time. An application may use this information to control quality of service parameters, perhaps by limiting flow, or using a different codec. Reference. http://en.wikipedia.org/wiki/RTP_Control_Protocol