DEA-C01 Domain 3: Data Operations and Support

A team must partition S3 data for Athena cost savings. Which option meets the requirement?

Multiple choice — select one answer

Answer choices

  1. a. Hive-style partitions (year/month/day)
  2. b. Glue job bookmarks, CloudWatch alarms, and Step Functions
  3. c. Sort keys, distribution keys, and RA3 sizing
  4. d. Glue Schema Registry for Kafka/Kinesis

Architectural breakdown & explanation

Partition pruning reduces data scanned.

Correct answer(s): a. Hive-style partitions (year/month/day)

Exam domain: Domain 3: Data Operations and Support (22% weight on the official guide).

Official documentation & study links

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