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Exam Certified Data Engineer Professional topic 1 question 220 discussion

Actual exam question from Databricks's Certified Data Engineer Professional
Question #: 220
Topic #: 1
[All Certified Data Engineer Professional Questions]

Where in the Spark UI can one diagnose a performance problem induced by not leveraging predicate push-down?

  • A. In the Executor’s log file, by grepping for "predicate push-down"
  • B. In the Stage’s Detail screen, in the Completed Stages table, by noting the size of data read from the Input column
  • C. In the Query Detail screen, by interpreting the Physical Plan
  • D. In the Delta Lake transaction log. by noting the column statistics
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Suggested Answer: C 🗳️
by benni_ale at Dec. 8, 2024, 6:43 p.m.

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benni_ale
2 months ago
Selected Answer: C
Look at the Physical Plan
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