A Company Is Running a Multi-Tier Web Application on AWS

question 233

Multiple Choice

A company is running a multi-tier web application on AWS. The application runs its database tier on Amazon Aurora MySQL. The application and database tiers are in the us-east-1 Region. A database administrator who regularly monitors the Aurora DB cluster finds that an intermittent increase in read traffic is creating high CPUutilization on the read replica and causing increased read latency of the application. What should a solutions architect do to improve read scalability?

• A) Reboot the Aurora DB cluster.
• B) Create a cross-Region read replica
• C) Increase the instance class of the read replica.
• D) Configure Aurora Auto Scaling for the read replica.

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Definitions:

Overall Arousal Levels

A general state of alertness or activation of the nervous system, affecting physical and psychological responses.

Accuracy of Polygraphs

The degree to which polygraph tests can reliably and validly detect deception, often debated in terms of effectiveness.

Seat of Emotions

A metaphorical term that refers to the brain regions responsible for the generation and regulation of emotions, typically involving the limbic system.

Amygdala

A region in the brain involved in processing emotions, particularly fear and aggression, and forming emotional memories.