A Company Uses Amazon DynamoDB as the Data Store for Its

question 28

Multiple Choice

A company uses Amazon DynamoDB as the data store for its ecommerce website. The website receives little to no traffic at night, and the majority of the traffic occurs during the day. The traffic growth during peak hours is gradual and predictable on a daily basis, but it can be orders of magnitude higher than during off-peak hours. The company initially provisioned capacity based on its average volume during the day without accounting for the variability in traffic patterns. However, the website is experiencing a significant amount of throttling during peak hours. The company wants to reduce the amount of throttling while minimizing costs. What should a database specialist do to meet these requirements?

• A) Use reserved capacity. Set it to the capacity levels required for peak daytime throughput.
• B) Use provisioned capacity. Set it to the capacity levels required for peak daytime throughput.
• C) Use provisioned capacity. Create an AWS Application Auto Scaling policy to update capacity based on consumption.
• D) Use on-demand capacity.

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Definitions:

Insulin

A hormone produced by the pancreas that regulates the amount of glucose in the blood.

Substitutes

Products or services that can replace each other in use, providing consumers with choices in the marketplace.

Demand Curve

a graphical representation of the relationship between the price of a product and the quantity of the product that consumers are willing and able to purchase at various prices.

Soybeans

A species of legume native to East Asia, widely grown for its edible beans which have numerous uses in food, oils, and as animal feed.