Databricks - Data Engineer Professional Practice Questions & Free Practice Exam
5 free Databricks - Data Engineer Professional practice questions below, with instant explanations. The full simulator contains hundreds of exam-style questions across every topic.
Auto Loader ingestion from an unreliable upstream must capture any unrecognized columns from inbound JSON files without halting the running stream and without altering the table schema. Which cloudFiles.schemaEvolutionMode value satisfies that requirement?
Question 2
Scheduled silver transformations run on an all-purpose cluster shared with analyst notebooks. Analysts complain about unpredictable query latency, and the cost report shows the cluster running at 2x the price of equivalent job compute. Which redesign matches the prescribed split for the two workloads?
Question 3
Daily DBU and dollar cost attribution for a specific job over the last 30 days lives on which surface?
Question 4
What is the maximum number of tags that can be attached to a single Unity Catalog securable?
Question 5
A platform team ingests regulatory audit log entries into a Silver table managed by Lakeflow SDP. The compliance contract requires the entire pipeline update to halt the moment any row fails the integrity predicate, blocking downstream tables until an engineer signs off on the exception. Which Python decorator enforces that contract?
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