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PROFESSIONAL-DATA-ENGINEER · Question #99

By default, which of the following windowing behavior does Dataflow apply to unbounded data sets?

The correct answer is B. Single, Global Window. Explanation/Reference: Dataflow's default windowing behavior is to assign all elements of a PCollection to a single, global window, even for unbounded PCollections

Submitted by suresh_in· Mar 30, 2026Building and operationalizing data processing systems

Question

By default, which of the following windowing behavior does Dataflow apply to unbounded data sets?

Options

  • AWindows at every 100 MB of data
  • BSingle, Global Window
  • CWindows at every 1 minute
  • DWindows at every 10 minutes

How the community answered

(42 responses)
  • A
    5% (2)
  • B
    93% (39)
  • C
    2% (1)

Explanation

Explanation/Reference: Dataflow's default windowing behavior is to assign all elements of a PCollection to a single, global window, even for unbounded PCollections

Topics

#windowing#global window#unbounded data#Dataflow defaults

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