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Exam Certified Data Engineer Associate All Questions

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Exam Certified Data Engineer Associate topic 1 question 118 discussion

Actual exam question from Databricks's Certified Data Engineer Associate
Question #: 118
Topic #: 1
[All Certified Data Engineer Associate Questions]

What is used by Spark to record the offset range of the data being processed in each trigger in order for Structured Streaming to reliably track the exact progress of the processing so that it can handle any kind of failure by restarting and/or reprocessing?

  • A. Checkpointing and Write-ahead Logs
  • B. Replayable Sources and Idempotent Sinks
  • C. Write-ahead Logs and Idempotent Sinks
  • D. Checkpointing and Idempotent Sinks
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Suggested Answer: A 🗳️
by 9d4d68a at Aug. 27, 2024, 12:05 p.m.

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NzmD
1 week ago
Selected Answer: A
Repeated!
upvoted 1 times
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9d4d68a
2 months, 4 weeks ago
Repeated, Correct The correct answer is A. Checkpointing and Write-ahead Logs. Checkpointing records the progress of streaming queries, while write-ahead logs (WALs) capture the data before it is processed, allowing Spark to recover and process data reliably in case of failures.
upvoted 2 times
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