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Amazon Web Services AWS Certified Data Engineer - Associate (DEA-C01) Data-Engineer-Associate Question # 44 Topic 5 Discussion

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Amazon Web Services AWS Certified Data Engineer - Associate (DEA-C01) Data-Engineer-Associate Question # 44 Topic 5 Discussion

Data-Engineer-Associate Exam Topic 5 Question 44 Discussion:
Question #: 44
Topic #: 5

A data engineer is optimizing query performance in Amazon Athena notebooks that use Apache Spark to analyze large datasets that are stored in Amazon S3. The data is partitioned. An AWS Glue crawler updates the partitions.

The data engineer wants to minimize the amount of data that is scanned to improve efficiency of Athena queries.

Which solution will meet these requirements?
A.

Apply partition filters in the queries.

B.

Increase the frequency of AWS Glue crawler invocations to update the data catalog more often.

C.

Organize the data that is in Amazon S3 by using a nested directory structure.

D.

Configure Spark to use in-memory caching for frequently accessed data.

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Actual exam question for Amazon Web Services Data-Engineer-Associate exam by Vega40682 at Mar 10, 2026, 8:42:35 AM

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