A Company Recently Migrated Its Web, Application and NoSQL Database

question 378

Multiple Choice

A company recently migrated its web, application and NoSQL database tiers to AWS. The company is using Auto Scaling to scale the web and application tiers. More than 95 percent of the Amazon DynamoDB requests are repeated read-requests. How can the DynamoDB NoSQL tier be scaled up to cache these repeated requests?

• A) Amazon EMR
• B) Amazon DynamoDB Accelerator
• C) Amazon SQS
• D) Amazon CloudFront

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Definitions:

Nonrenewable Fossil Fuels

These are fuels like coal, oil, and natural gas, derived from the decomposed remains of plants and animals, that cannot be replenished within a human time scale.

Anthracite Coal

The highest grade of coal, known for its high carbon content, low volatility, and high energy content, used primarily for heating and in industrial processes.

Peat Coal

A precursor to coal formed from the partial decomposition of plant material in wet, acidic conditions, often used as fuel.

Synthetic Fuels

Man-made substances created to mimic traditional fossil fuels, often produced from coal, natural gas, or biomass, and intended to be a less polluting energy source.