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Databricks Certified Data Engineer Associate · Databricks
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- Correct answer : B — File arrival triggers only fire when genuinely new files appear in the location, so overwriting an existing file name does not start a run. A . File arrival triggers support both Unity Catalog volumes and external locations, so using a volume is not the reason the trigger fails to fire here. B . File arrival triggers detect new files landing in the monitored location, and overwriting an existing file does not count as a new arrival, so no run is started. C . File arrival triggers explicitly do not allow wildcard patterns in the monitored path, so this claim describes the opposite of how the feature actually works. D . File arrival triggers make a best-effort check for new files roughly every minute rather than once a day, so check frequency is not the cause of the missing run.