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Incorporating unit tests into a PySpark application requires upfront attention to the design of your...

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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?

A.

Improves the quality of your data

B.

Validates a complete use case of your application

C.

Troubleshooting is easier since all steps are isolated and tested individually

D.

Yields faster deployment and execution times

E.

Ensures that all steps interact correctly to achieve the desired end result

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