A Company Is Using Amazon RDS MySQL Instances for Its

question 247

Multiple Choice

A company is using Amazon RDS MySQL instances for its application database tier and Apache Tomcat servers for its web tier. Most of the database queries from web applications are repeated read requests. Use of which AWS service would increase in performance by adding in-memory store for repeated read queries?

• A) Amazon RDS Multi-AZ
• B) Amazon SQS
• C) Amazon ElastiCache
• D) Amazon RDS read replica

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Definitions:

Bacteria

Microscopic single-celled organisms that inhabit virtually all environments, including soil, water, organic matter, and the bodies of plants and animals.

Adipose Tissue

A type of connective tissue that stores fat, providing insulation and energy reserves.

Connective Tissue

A type of body tissue that supports, binds together, and protects organs and other tissues, comprising cells, fibers, and a ground substance.

Oily Substance

A greasy or slick material, often derived from petroleum or plant sources, that does not mix with water.