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DEA-C01 · Question #14

DEA-C01 Question #14: Real Exam Question with Answer & Explanation

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Data Store Management

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.)

Options

  • AUse Hadoop Distributed File System (HDFS) as a persistent data store.
  • BUse Amazon S3 as a persistent data store.
  • CUse x86-based instances for core nodes and task nodes.
  • DUse Graviton instances for core nodes and task nodes.
  • EUse Spot Instances for all primary nodes.

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Topics

#EMR optimization#Cost-effective computing#Spark workloads#Big data storage
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