Q9 Event Hubs Domain 3 · 20–25% of exam Priority · Real Exam

What does Event Hubs Capture write when no events arrive during a window?

  1. A Nothing, unless emit-empty-files is enabled (correct answer)
  2. B An error file
  3. C A duplicate of the last batch
  4. D It disables capture

Shortcut: By default Capture skips empty windows. The option to emit empty files exists for pipelines that require a file per interval as a heartbeat.