A Company Is Developing a Web Application That Allows Its

question 402

Multiple Choice

A company is developing a web application that allows its employees to upload a profile picture to a private Amazon S3 bucket. There is no size limit for the profile pictures, which should be displayed every time an employee logs in. For security reasons, the pictures cannot be publicly accessible. What is a viable long-term solution for this scenario?

• A) Generate a presigned URL when a picture is uploaded. Save the URL in an Amazon DynamoDB table. Return the URL to the browser when the employee logs in.
• B) Save the picture's S3 key in an Amazon DynamoDB table. Create an Amazon S3 VPC endpoint to allow the employees to download pictures once they log in.
• C) Encode a picture using base64. Save the base64 string in an Amazon DB table. Allow the browser to retrieve the string and convert it to a picture.
• D) Save the picture's S3 key in an Amazon DynamoDB table. Use a function to generate a presigned URL every time an employee logs in. Return the URL to the browser.

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Definitions:

Variable Costing

A costing method that includes only variable manufacturing costs - direct materials, direct labor, and variable manufacturing overhead - in the cost of a product.

Unit Product Cost

The total cost associated with producing one unit of a product, including direct materials, direct labor, and allocated overhead.

Net Operating Income

A business's income after deducting operating costs, not including taxes or interest.

Break-even Points

The level of sales at which total revenues equal total costs, resulting in no profit or loss.