You need to configure an Amazon S3 bucket to serve static assets for your public-facing web application.
Which methods ensure that all objects uploaded to the bucket are set to public read? Choose 2 answers
A.
Set permissions on the object to public read during upload.
B.
Configure the bucket ACL to set all objects to public read.
C.
Configure the bucket policy to set all objects to public read.
D.
Use AWS Identity and Access Management roles to set the bucket to public read.
E.
Amazon S3 objects default to public read, so no action is needed.
A, C
https://aws.amazon.com/articles/5050
A –
The website shares only the objects in your bucket that are publicly readable. This does not require that you to add any grants to your bucket ACL to provide any public access permissions. Therefore, it is strongly recommended that you remove any public access grants in your bucket ACL so that your bucket is protected from a potentially malicious user performing operations like listing all your objects, modifying objects or changing your ACLs. Follow the steps in the preceding section to remove an ACL grant that identifies everyone or the authenticated users group as the grantee.
C-
…
You make objects publicly readable by using either the object ACL or by writing a bucket policy
It’s not the others…
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