A Company Used AWS CloudFormation to Deploy a Three-Tier Web

question 585

Multiple Choice

A company used AWS CloudFormation to deploy a three-tier web application that stores data in an Amazon RDS MySQL Multi-AZ DB instance. A DevOps Engineer must upgrade the RDS instance to the latest major version of MySQL while incurring minimal downtime. How should the Engineer upgrade the instance while minimizing downtime?

• A) Update the EngineVersion property of the AWS::RDS::DBInstance resource type in the CloudFormation template to the latest desired version. Launch a second stack and make the new RDS instance a read replica. Update the EngineVersion property of the AWS::RDS::DBInstance resource type in the CloudFormation template to the latest desired version. Launch a second stack and make the new RDS instance a read replica.
• B) Update the DBEngineVersion property of the AWS:: RDS::DBInstance resource type in the CloudFormation template to the latest desired version. Perform an Update Stack operation. Create a new RDS Read Replicas resource with the same properties as the instance to be upgraded. Perform a second Update Stack operation. DBEngineVersion AWS:: RDS::DBInstance resource type in the CloudFormation template to the latest desired version. Perform an Update Stack operation. Create a new RDS Read Replicas resource with the same properties as the instance to be upgraded. Perform a second operation.
• C) Update the DBEngineVersion property of the AWS::RDS::DBInstance resource type in the CloudFormation template to the latest desired version. Create a new RDS Read Replicas resource with the same properties as the instance to be upgraded. Perform an Update Stack operation. resource type in the CloudFormation template to the latest desired version. Create a new RDS Read Replicas resource with the same properties as the instance to be upgraded. Perform an
• D) Update the EngineVersion property of the AWS::RDS::DBInstance resource type in the CloudFormation template to the latest version, and perform an Update Stack operation. resource type in the CloudFormation template to the latest version, and perform an

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Definitions:

Gills

Respiratory organs found in many aquatic organisms, allowing for the exchange of oxygen and carbon dioxide with water.

Statocysts

Statocysts are sensory organs found in some animals, used for detecting gravity and orientation.

Biological Success

The ability of an organism to survive, reproduce, and pass its genes to the next generation.

Insects

Small arthropods belonging to the class Insecta, which have a chitinous exoskeleton, a three-part body (head, thorax, abdomen), three pairs of jointed legs, compound eyes, and one pair of antennae.