A Company Runs a Production Application on a Fleet of Amazon

question 29

Multiple Choice

A company runs a production application on a fleet of Amazon EC2 instances. The application reads the data from an Amazon SQS queue and processes the messages in parallel. The message volume is unpredictable and often has intermittent traffic. This application should continually process messages without any downtime. Which solution meets these requirements MOST cost-effectively?

• A) Use Spot Instances exclusively to handle the maximum capacity required.
• B) Use Reserved Instances exclusively to handle the maximum capacity required.
• C) Use Reserved Instances for the baseline capacity and use Spot Instances to handle additional capacity.
• D) Use Reserved Instances for the baseline capacity and use On-Demand Instances to handle additional capacity.

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Definitions:

Resting Potential

The electrical potential of a neuron when it is not actively transmitting a signal, serving as the baseline state of the neuron.

Negatively Charged

Refers to an object or particle that has more electrons than protons, giving it an excess of negative electric charge.

Right Hemisphere

Refers to the right half of the human brain, which is often associated with spatial abilities, face recognition, visual imagery, and processing music.

Left Hemisphere

The left side of the brain, responsible for controlling the right side of the body and involved in logical thinking, language, and analytical tasks.