AWS Certified Data Engineer - Associate DEA-C01 — Topic 1 Question 26

Question

A company is planning to use a provisioned Amazon EMR cluster that runs Apache Spark jobs to perform big data analysis. The company requires high reliability. A big data team must follow best practices for running cost-optimized and long-running workloads on Amazon EMR. The team must find a solution that will maintain the company's current level of performance. Which combination of resources will meet these requirements MOST cost-effectively? (Choose two.)

Accepted Answer

Correct answer: B, D. The correct answer is B, D. Option B: Use Amazon S3 as a persistent data store. Option D: Use Graviton instances for core nodes and task nodes. Amazon S3 provides durable, scalable object storage that is fully managed. This option delivers the requirement at the lowest cost.

AWS Certified Data Engineer - Associate DEA-C01 — Question 26