DEA-C01 Domain 2: Data Store Management

Which service should you use to search and log analytics on semi-structured data?

Multiple choice — select one answer

Answer choices

  1. a. Apache Iceberg tables on S3 with Athena or EMR
  2. b. Amazon S3 Glacier storage classes
  3. c. grep across all S3 forever
  4. d. Amazon OpenSearch Service

Architectural breakdown & explanation

OpenSearch indexes logs and text.

Correct answer(s): d. Amazon OpenSearch Service

Exam domain: Domain 2: Data Store Management (26% weight on the official guide).

Official documentation & study links

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