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Question 273 - SOA-C02 discussion

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A SysOps administrator wants to securely share an object from a private Amazon S3 bucket with a group of users who do not have an AWS account. What is the MOST operationally efficient solution that will meet this requirement?

A.
Attach an S3 bucket policy that only allows object downloads from the users' IP addresses.
Answers
A.
Attach an S3 bucket policy that only allows object downloads from the users' IP addresses.
B.
Create an 1AM role that has access to the object. Instruct the users to assume the role.
Answers
B.
Create an 1AM role that has access to the object. Instruct the users to assume the role.
C.
Create an 1AM user that has access to the object. Share the credentials with the users.
Answers
C.
Create an 1AM user that has access to the object. Share the credentials with the users.
D.
Generate a presigned URL for the object. Share the URL with the users.
Answers
D.
Generate a presigned URL for the object. Share the URL with the users.
Suggested answer: D

Explanation:

The most operationally efficient and secure method to share an object from a private Amazon S3 bucket with users who do not have an AWS account is by generating a presigned URL. This URL grants temporary access to the object and can be limited by time, ensuring that users can only access the S3 object during a specified window. This does not require managing network configurations or sharing credentials, making it a secure and simple solution. Option D is therefore the correct answer. Reference to this method can be found in the AWS S3 documentation on presigned URLs Amazon S3 Presigned URLs.

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asked 16/09/2024
Lars Bleckmann
41 questions
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