Alibaba Cloud Certified Associate (ACA) Practice Test 2026 – Complete All-in-One Guide for Exam Success!

Enabling versioning in Object Storage Service (OSS) allows you to retain multiple versions of an object. This means that every time an object is modified or deleted, the previous versions of that object are preserved. As a result, previous versions will indeed take up additional storage space, leading to increased overall storage costs. Users can access or restore any historical version of the object as needed, providing a valuable safety net against accidental deletions or overwrites.

This concept is crucial for data management and recovery strategies, as it ensures that no data is permanently lost due to changes or deletions. Therefore, the correct perspective is that enabling versioning facilitates data recovery options but at the expense of utilizing more storage space.