Amazon Web Services (AWS) is well-known for its vast number of product offerings. There are (probably) a few AWS ninjas who know exactly how and when to use which Amazon product for what because they've earned this certification. The rest of us are in need of help.
Specifically in the storage arena, AWS provides three popular services — S3, Elastic Block Store (EBS), and Elastic File System (EFS) — which work quite differently and offer different levels of performance, cost, availability, and scalability. We'll discuss the use cases of these storage options, and compare their performance, cost, and accessibility to stored data. But before diving in, you can also try out this free AWS storage skills assessment to see how your "IQ" stacks up against your peers.