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