A Company Migrated One of Its Business-Critical Database Workloads to an Amazon

question 16

Multiple Choice

A company migrated one of its business-critical database workloads to an Amazon Aurora Multi-AZ DB cluster. The company requires a very low RTO and needs to improve the application recovery time after database failovers. Which approach meets these requirements?

• A) Set the max_connections parameter to 16,000 in the instance-level parameter group.
• B) Modify the client connection timeout to 300 seconds.
• C) Create an Amazon RDS Proxy database proxy and update client connections to point to the proxy endpoint.
• D) Enable the query cache at the instance level.

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Definitions:

Plant Cell Walls

Rigid outer layers surrounding plant cells, made primarily of cellulose, providing structure, support, and protection.

Glycogen

A form of stored glucose found in the liver and muscles; it's broken down into glucose when energy is needed.

Polysaccharide

A complex carbohydrate composed of long chains of monosaccharide units bonded together, serving as energy storage or structural components in organisms.

Glucose

A simple sugar that is an important energy source in living organisms and a component of many carbohydrates.