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A Large Retailer Has Successfully Migrated to an Amazon S3

question 54

Multiple Choice

A large retailer has successfully migrated to an Amazon S3 data lake architecture. The company's marketing team is using Amazon Redshift and Amazon QuickSight to analyze data, and derive and visualize insights. To ensure the marketing team has the most up-to-date actionable information, a data analyst implements nightly refreshes of Amazon Redshift using terabytes of updates from the previous day. After the first nightly refresh, users report that half of the most popular dashboards that had been running correctly before the refresh are now running much slower. Amazon CloudWatch does not show any alerts. What is the MOST likely cause for the performance degradation?

Identify and use verbal organizational cues in speech to clarify the structure and main points.

Recognize and apply different organizational patterns suitable for various types of presentations.

Learn techniques for recovering from errors during presentations to maintain audience engagement.

Understand the importance of memorizing the opening sentence of a presentation to establish rapport with the audience through eye contact.

Definitions:

Journal Entry

A recorded transaction in the accounting books of a business, which is used to document financial activities and maintain the integrity of financial statements.

Time Ticket

A record documenting the amount of time an employee or worker spends on various tasks or jobs, used for billing or payroll purposes.

Hours Worked

The total number of hours spent by employees completing their job duties during a specific time frame.

Direct Labor Costs

Expenses associated with the wages of employees who are directly involved in the production process of goods or services.