Databricks Certified Data Engineer - Professional

Ultimate access to all questions.

When developing PySpark applications, which of the following benefits best justifies the additional effort required to design or refactor jobs for unit testing?

Real Exam

Last updated: January 6, 2026 at 15:43

It simplifies troubleshooting by isolating and verifying individual logic steps or transformation functions in isolation.

87.5%

It directly improves the semantic quality and accuracy of the underlying datasets processed by the pipeline.

Loading comments...

It ensures that all integrated components work together correctly to produce the final desired outcome.

12.5%

It validates a full application use case from end to end to ensure operational readiness.

0.0%