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Exam Certified Data Engineer Professional All Questions

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Exam Certified Data Engineer Professional topic 1 question 176 discussion

Actual exam question from Databricks's Certified Data Engineer Professional
Question #: 176
Topic #: 1
[All Certified Data Engineer Professional Questions]

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 benefit offsets 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. Ensures that all steps interact correctly to achieve the desired end result
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Suggested Answer: C 🗳️
by imatheushenrique at May 31, 2024, 11:40 p.m.

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m79590530
1 month ago
Selected Answer: C
C is testing each unit of the solution separately. It doesn't necessarily validate the data quality as mentioned in A. B is more for Business Case scenario testing like end-to-end testing for real life, real data execution. D is more related to Integration testing.
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imatheushenrique
5 months, 3 weeks ago
C. Troubleshooting is easier since all steps are isolated and tested individually The unit tests will ensuree that specific functions and transformations will work as intended.
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