DAS-C01 · Question #67
DAS-C01 Question #67: Real Exam Question with Answer & Explanation
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Question
A company has a data warehouse in Amazon Redshift that is approximately 500 TB in size. New data is imported every few hours and read-only queries are run throughout the day and evening. There is a particularly heavy load with no writes for several hours each morning on business days. During those hours, some queries are queued and take a long time to execute. The company needs to optimize query execution and avoid any downtime. What is the MOST cost-effective solution?
Options
- AEnable concurrency scaling in the workload management (WLM) queue.
- BAdd more nodes using the AWS Management Console during peak hours. Set the distribution
- CUse elastic resize to quickly add nodes during peak times. Remove the nodes when they are not
- DUse a snapshot, restore, and resize operation. Switch to the new target cluster.
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