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PROFESSIONAL-DATA-ENGINEER · Question #87
What Dataflow concept determines when a Window's contents should be output based on certain criteria being met?
The correct answer is D. Triggers. Explanation/Reference: Triggers control when the elements for a specific key and window are output. As elements arrive, they are put into one or more windows by a Window transform and its associated WindowFn, and then passed to the associated Trigger to determine if the Windows…
Submitted by tyler.j· Mar 30, 2026Building and operationalizing data processing systems
Question
What Dataflow concept determines when a Window's contents should be output based on certain criteria being met?
Options
- ASessions
- BOutputCriteria
- CWindows
- DTriggers
How the community answered
(46 responses)- A2% (1)
- B4% (2)
- C2% (1)
- D91% (42)
Explanation
Explanation/Reference: Triggers control when the elements for a specific key and window are output. As elements arrive, they are put into one or more windows by a Window transform and its associated WindowFn, and then passed to the associated Trigger to determine if the Windows contents should be output.
Topics
#Dataflow triggers#windowing#streaming#Apache Beam
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