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Question 126 - DVA-C02 discussion

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A company built a new application in the AWS Cloud. The company automated the bootstrapping of new resources with an Auto Scaling group by using AWS Cloudf-ormation templates. The bootstrap scripts contain sensitive data.

The company needs a solution that is integrated with CloudFormation to manage the sensitive data in the bootstrap scripts.

Which solution will meet these requirements in the MOST secure way?

A.
Put the sensitive data into a CloudFormation parameter. Encrypt the CloudFormation templates by using an AWS Key Management Service (AWS KMS) key.
Answers
A.
Put the sensitive data into a CloudFormation parameter. Encrypt the CloudFormation templates by using an AWS Key Management Service (AWS KMS) key.
B.
Put the sensitive data into an Amazon S3 bucket Update the CloudFormation templates to download the object from Amazon S3 during bootslrap.
Answers
B.
Put the sensitive data into an Amazon S3 bucket Update the CloudFormation templates to download the object from Amazon S3 during bootslrap.
C.
Put the sensitive data into AWS Systems Manager Parameter Store as a secure string parameter. Update the CloudFormation templates to use dynamic references to specify template values.
Answers
C.
Put the sensitive data into AWS Systems Manager Parameter Store as a secure string parameter. Update the CloudFormation templates to use dynamic references to specify template values.
D.
Put the sensitive data into Amazon Elastic File System (Amazon EPS) Enforce EFS encryption after file system creation. Update the CloudFormation templates to retrieve data from Amazon EFS.
Answers
D.
Put the sensitive data into Amazon Elastic File System (Amazon EPS) Enforce EFS encryption after file system creation. Update the CloudFormation templates to retrieve data from Amazon EFS.
Suggested answer: C

Explanation:

This solution meets the requirements in the most secure way because it uses a service that is integrated with CloudFormation to manage sensitive data in encrypted form. AWS Systems Manager Parameter Store provides secure, hierarchical storage for configuration data management and secrets management. You can store sensitive data as secure string parameters, which are encrypted using an AWS Key Management Service (AWS KMS) key of your choice. You can also use dynamic references in your CloudFormation templates to specify template values that are stored in Parameter Store or Secrets Manager without having to include them in your templates. Dynamic references are resolved only during stack creation or update operations, which reduces exposure risks for sensitive data. Putting sensitive data into a CloudFormation parameter will not encrypt them or protect them from unauthorized access. Putting sensitive data into an Amazon S3 bucket or Amazon Elastic File System (Amazon EFS) will require additional configuration and integration with CloudFormation and may not provide fine-grained access control or encryption for sensitive data.

Reference: [What Is AWS Systems Manager Parameter Store?], [Using Dynamic Reference to Specify Template Values]

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asked 16/09/2024
Saptarshi Biswas
32 questions
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