Chapter 5.2 - Securing Your Bucket with S3 Block Public Access

Question 1

Are Buckets public or private by default?

Answer 1

Private

Question 2

How do Object ACLs and Bucket Policies differ?

Answer 2

Object ACLs (Access Control Lists) are for individual objects.
Bucket policies are for entire buckets.

Question 3

How do you know if an upload of a file has been successful?

Answer 3

An HTTP 200 status code is received as a result of a successful upload (PUT).