An operator accidentally overwrote an S3 configuration file.
The organization needs to restore the content that existed before the overwrite or deletion.
Which feature should have been enabled in advance?
Enable S3 Versioning so previous object versions remain available for recovery.
Detailed explanation
S3 retains separate versions across overwrites and deletes, allowing an earlier version to be selected for recovery.
S3 retains separate versions across overwrites and deletes, allowing an earlier version to be selected for recovery.
HTTP hosting does not preserve an object from before it was changed.
HTTP hosting does not preserve an object from before it was changed.
Origin protection is a caching feature, not S3 object version management.
Origin protection is a caching feature, not S3 object version management.
Transfer acceleration improves transfer paths but does not retain prior object versions.
Transfer acceleration improves transfer paths but does not retain prior object versions.
Check official documentation
Compare the following points with the official documentation.
Amazon S3 Versioning and restoring previous object versionsの公式説明を確認する。
What to confirm
版管理と転送高速化、CDNキャッシュの役割を区別できる。
Key points
- S3 Versioning
- Object version
- Accidental deletion recovery
Notes
- Environment: AWS公式SOA-C03試験ガイドとAWS公式ドキュメントの確認
- Confirm current AWS service behavior in the official documentation.
Foundation review
Version history
Versioning separates current content from prior states and supports recovery after an overwrite.
Delete markers
With versioning, a delete can add a marker while older object versions remain available.