Question: In Mission Critical Data (MCData) communications, how does the data streaming and distribution function typically distribute downlink data streams to multiple recipients when utilizing efficient network resources?
Option 1: Via IP unicast transmission to each individual recipient using the MCData-DS-2 reference point.
Option 2: By storing the stream on a central server for recipients to fetch individually.
Option 3: Using multicast downlink transport by means of the MCData-DS-3 reference point.
Option 4: Converting the stream to a different protocol before distribution.
Explanation: In the context of efficient network resource utilization, especially when distributing the same data stream to multiple recipients, multicast is the preferred method as it reduces the overall network load compared to unicast (which would send separate streams to each recipient). The MCData-DS-3 reference point is specifically mentioned in relation to multicast downlink transport, aligning with this efficient distribution strategy for downlink data streams to multiple MCData communication participants.