Câu 23: AWS Certified Data Engineer - Associate DEA-C01
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…
Nội dung câu hỏi
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.)
Các lựa chọn
Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.
- A. Use Hadoop Distributed File System (HDFS) as a persistent data store.
- B. Use Amazon S3 as a persistent data store. — đáp án hiện tại
- C. Use x86-based instances for core nodes and task nodes.
- D. Use Graviton instances for core nodes and task nodes. — đáp án hiện tại
- E. Use Spot Instances for all primary nodes.
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