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SOA-C02 · Question #161

A SysOps administrator needs to give users the ability to upload objects to an Amazon S3 bucket. The SysOps administrator creates a presigned URL and provides the URL to a user, but the user cannot…

The correct answer is B. The SysOps administrator does not have the necessary permissions to upload the object to the. A presigned URL gives you access to the object identified in the URL, provided that the creator of the presigned URL has permissions to access that object. That is, if you receive a presigned URL to upload an object, you can upload the object only if the creator of the…

Submitted by kavita_s· Mar 30, 2026Security and Compliance

Question

A SysOps administrator needs to give users the ability to upload objects to an Amazon S3 bucket. The SysOps administrator creates a presigned URL and provides the URL to a user, but the user cannot upload an object to the S3 bucket. The presigned URL has not expired, and no bucket policy is applied to the S3 bucket. Which of the following could be the cause of this problem?

Options

  • AThe user has not properly configured the AWS CLI with their access key and secret access key.
  • BThe SysOps administrator does not have the necessary permissions to upload the object to the
  • CThe SysOps administrator must apply a bucket policy to the S3 bucket to allow the user to upload
  • DThe object already has been uploaded through the use of the presigned URL, so the presigned

How the community answered

(63 responses)
  • A
    13% (8)
  • B
    78% (49)
  • C
    6% (4)
  • D
    3% (2)

Explanation

A presigned URL gives you access to the object identified in the URL, provided that the creator of the presigned URL has permissions to access that object. That is, if you receive a presigned URL to upload an object, you can upload the object only if the creator of the presigned URL has the necessary permissions to upload that object. https://docs.aws.amazon.com/AmazonS3/latest/userguide/PresignedUrlUploadObject.html

Topics

#S3 presigned URL#IAM permissions inheritance#presigned URL security#S3 upload

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