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Question 154 - DVA-C02 discussion

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A company's developer has deployed an application in AWS by using AWS CloudFormation The CloudFormation stack includes parameters in AWS Systems Manager Parameter Store that the application uses as configuration settings. The application can modify the parameter values

When the developer updated the stack to create additional resources with tags, the developer noted that the parameter values were reset and that the values ignored the latest changes made by the application. The developer needs to change the way the company deploys the CloudFormation stack. The developer also needs to avoid resetting the parameter values outside the stack.

Which solution will meet these requirements with the LEAST development effort?

A.
Modify the CloudFormation stack to set the deletion policy to Retain for the Parameter Store parameters.
Answers
A.
Modify the CloudFormation stack to set the deletion policy to Retain for the Parameter Store parameters.
B.
Create an Amazon DynamoDB table as a resource in the CloudFormation stack to hold configuration data for the application Migrate the parameters that the application is modifying from Parameter Store to the DynamoDB table
Answers
B.
Create an Amazon DynamoDB table as a resource in the CloudFormation stack to hold configuration data for the application Migrate the parameters that the application is modifying from Parameter Store to the DynamoDB table
C.
Create an Amazon RDS DB instance as a resource in the CloudFormation stack. Create a table in the database for parameter configuration. Migrate the parameters that the application is modifying from Parameter Store to the configuration table
Answers
C.
Create an Amazon RDS DB instance as a resource in the CloudFormation stack. Create a table in the database for parameter configuration. Migrate the parameters that the application is modifying from Parameter Store to the configuration table
D.
Modify the CloudFormation stack policy to deny updates on Parameter Store parameters
Answers
D.
Modify the CloudFormation stack policy to deny updates on Parameter Store parameters
Suggested answer: A

Explanation:

Problem: CloudFormation updates reset Parameter Store parameters, disrupting application behavior.

Deletion Policy: CloudFormation has a deletion policy that controls resource behavior when a stack is deleted or updated. The 'Retain' policy instructs CloudFormation to preserve a resource's current state.

Least Development Effort: This solution involves a simple CloudFormation template modification, requiring minimal code changes.

CloudFormation Deletion Policies:https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-attribute-deletionpolicy.html

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asked 16/09/2024
Jean-Bosco Muganza
42 questions
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