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Which open-source streaming-processing SDK does Cloud Dataflow implement as its primary programming model — supporting unified batch + streaming with windowing + triggers (PDE §2.2)?
AApache Cassandra (a database, not a processing model)
BApache Hive (HQL only)
CApache Beam
DApache Kafka Connect
Answer & Solution
Correct answer: C. Apache Beam
Beam is Dataflow's programming model (per PDE §2.2). The others aren't Beam.
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