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Question 880 - SAA-C03 discussion

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A company creates operations data and stores the data in an Amazon S3 bucket for the company's annual audit, an external consultant needs to access an annual report that is stored in the S3 bucket. The external consultant needs to access the report for 7 days.

The company must implement a solution to allow the external consultant access to only the report.

Which solution will meet these requirements with the MOST operational efficiency?

A.

Create a new S3 bucket that is configured to host a public static website. Migrate the operations data to the new S3 bucket. Share the S3 website URL with the external consultant.

Answers
A.

Create a new S3 bucket that is configured to host a public static website. Migrate the operations data to the new S3 bucket. Share the S3 website URL with the external consultant.

B.

Enable public access to the S3 bucket for 7 days. Remove access to the S3 bucket when the external consultant completes the audit.

Answers
B.

Enable public access to the S3 bucket for 7 days. Remove access to the S3 bucket when the external consultant completes the audit.

C.

Create a new 1AM user that has access to the report in the S3 bucket. Provide the access keys to the external consultant. Revoke the access keys after 7 days.

Answers
C.

Create a new 1AM user that has access to the report in the S3 bucket. Provide the access keys to the external consultant. Revoke the access keys after 7 days.

D.

Generate a presigned URL that has the required access to the location of the report on the S3 bucket. Share the presigned URL with the external consultant.

Answers
D.

Generate a presigned URL that has the required access to the location of the report on the S3 bucket. Share the presigned URL with the external consultant.

Suggested answer: D

Explanation:

A presigned URL allows temporary access to a specific object in an S3 bucket without needing to make the bucket public or creating and managing additional IAM users. The URL is time-limited, and permissions are granted only to the specific object (in this case, the annual report), making it a highly secure and operationally efficient solution.

With a presigned URL, the consultant can access the report for the specified duration (7 days), after which the URL will expire automatically, removing the need for manual intervention to revoke access.

AWS

Reference:

Amazon S3 Presigned URLs explain how to generate a presigned URL to grant temporary access to S3 objects.

Best Practices for S3 Security emphasize using presigned URLs for sharing temporary access to S3 objects securely.

Why the other options are incorrect:

A . Public static website: This approach involves making the S3 bucket publicly accessible, which is unnecessary and insecure for sensitive data.

B . Enable public access: Granting public access to the entire bucket, even temporarily, is a security risk and violates best practices.

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asked 27/10/2024
Mark Espena
25 questions
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