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Which component is required when deploying Music on Hold with recorded or live audio?
Correct Answer: D
Explanation/Reference: Link : http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/8x/media.html Reference: Cisco Unified Communications System Release 8.x SRND , page- 797. Explanation : A Unified CM MoH server can generate a MoH stream from the following two types of sources: * An audio file uploaded to the Unified CM MoH server * A fixed (live) music source through a USB sound card