A Company Is Experiencing Growth as Demand for Its Product

question 237

Multiple Choice

A company is experiencing growth as demand for its product has increased. The company's existing purchasing application is slow when traffic spikes. The application is a monolithic three-tier application that uses synchronous transactions and sometimes sees bottlenecks in the application tier. A solutions architect needs to design a solution that can meet required application response times while accounting for traffic volume spikes. Which solution will meet these requirements?

• A) Vertically scale the application instance using a larger Amazon EC2 instance size.
• B) Scale the application's persistence layer horizontally by introducing Oracle RAC on AWS.
• C) Scale the web and application tiers horizontally using Auto Scaling groups and an Application Load Balancer.
• D) Decouple the application and data tiers using Amazon Simple Queue Service (Amazon SQS) with asynchronous AWS Lambda calls.

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Definitions:

Physical And Chemical Changes

Alterations of matter: physical changes affect form but not chemical composition, while chemical changes result in the formation of new substances.

Eustress

Positive stress that motivates individuals, enhancing their performance and well-being.

Win A Race

The achievement of finishing first in a competition that involves speed, showing superiority in performance against other competitors.

Authority And Rewards

The concept that leadership or governing bodies have the power to give incentives or penalties to influence behavior.