A Web-Based Application Is Running in AWS

question 476

Multiple Choice

A web-based application is running in AWS. The application is using a MySQL Amazon RDS database instance for persistence. The application stores transactional data and is read-heavy. The RDS instance gets busy during the peak usage, which shows the overall application response times. The SysOps Administrator is asked to improve the read queries performance using a scalable solution. Which options will meet these requirements? (Choose two.)

• A) Scale up the RDS instance to a larger instance size
• B) Enable the RDS database Multi-AZ option
• C) Create a read replica of the RDS instance
• D) Use Amazon DynamoDB instead of RDS
• E) Use Amazon ElastiCache to cache read queries

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Definitions:

Unfair Test

An evaluation or assessment that does not provide all individuals an equal opportunity to demonstrate their abilities, often due to bias or flawed design.

Ability

The capacity of an individual to perform tasks or skills effectively.

Task Difficulty

Task difficulty refers to the level of challenge presented by a task, significantly influencing an individual's performance and the strategies they employ to achieve success.

Stable

Not likely to change or fail; firmly established.