on 28-Oct-2019 (Mon)

Question

In AWS S3, when you enable versioning, explain what happens when you delete a file.

Answer

A: An empty file, called a delete marker appears in your S3 bucket

^^ note you can only see delete marker if you toggle the version button from "Hide" to "Show", if the toggle is in "Hide" then it just looks like the file is completely gone.

Question

In AWS S3, if you enable versioing, you can restore a deleted file by deleting its [...] [...]

Answer

Delete Marker

^^ Once you delete the delete marker, you can see the file again in console even when the version "Show"/"Hide" toggle is in "Hide" mode.

Question

In AWS S3, versioning is a great backup tool but can get expensive (as each version of file is stored) unless it is combined with [...] [...]

Answer

Lifecycle Rules

^^^ i.e. lifecycle rules can be set to move old versions of objects to less expensive tiers (like archiving in glacier) or deleting them after some days.

Question

In AWS S3, versioning once turned on cannot be disabled only [...] (BONUS: try to explain with this full statemeans exactly means)

Answer

Suspended

^^ remember suspended means versioning will not apply to new file uploads but the existing files still will have their already created versions.