A Large Financial Company Is Running Its ETL Process

question 90

Multiple Choice

A large financial company is running its ETL process. Part of this process is to move data from Amazon S3 into an Amazon Redshift cluster. The company wants to use the most cost-efficient method to load the dataset into Amazon Redshift. Which combination of steps would meet these requirements? (Choose two.)

• A) Use the COPY command with the manifest file to load data into Amazon Redshift.
• B) Use S3DistCp to load files into Amazon Redshift.
• C) Use temporary staging tables during the loading process.
• D) Use the UNLOAD command to upload data into Amazon Redshift.
• E) Use Amazon Redshift Spectrum to query files from Amazon S3.

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Definitions:

Marginal Utility

The incremental pleasure or value received from consuming one more unit of a good or service.

Marginal Utility Schedules

Tables or graphs that show the relationship between the quantity of a good consumed and the utility (satisfaction) that is gained from each additional unit.

Total Utility

The complete satisfaction or advantage gained from consuming a specified overall amount of a product or service.

Utility-Maximizing

A principle of economics that assumes consumers aim to achieve the highest level of satisfaction possible from their available resources.