CERTIFIED-DATA-ENGINEER-PROFESSIONAL · Question #55
CERTIFIED-DATA-ENGINEER-PROFESSIONAL Question #55: Real Exam Question with Answer & Explanation
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Question
Incorporating unit tests into a PySpark application requires upfront attention to the design of your jobs, or a potentially significant refactoring of existing code. Which statement describes a main benefit that offset this additional effort?
Options
- AImproves the quality of your data
- BValidates a complete use case of your application
- CTroubleshooting is easier since all steps are isolated and tested individually
- DYields faster deployment and execution times
- EEnsures that all steps interact correctly to achieve the desired end result
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