Questão 12 — Simulado AWS Certified Data Engineer – Associate (DEA-C01) | Questões Atualizadas
A company needs to store semi-structured transactional data in a serverless database. The application writes data infrequently but reads it frequently, with millisecond retrieval required.
- A. Store the data in an Amazon S3 Standard bucket. Enable S3 Transfer Acceleration.
- B. Store the data in an Amazon S3 Apache Iceberg table. Enable S3 Transfer Acceleration.
- C. Store the data in an Amazon RDS for MySQL cluster. Configure RDS Optimized Reads.
- D. Store the data in an Amazon DynamoDB table. Configure a DynamoDB Accelerator (DAX) cache.
Resposta correta:
D
Explicação
Explanation: Amazon DynamoDB is a serverless, low-latency, NoSQL database ideal for semi-structured data. Adding DynamoDB Accelerator (DAX) provides microsecond response times for read-heavy workloads. "For applications requiring millisecond or sub-millisecond reads with serverless operation, use DynamoDB with DAX caching." Ace the AWS Certified Data Engineer - Associate Certification - version 2 - apple.pdf
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