====== Bucket Default Retention Settings ======

**What it is:** A bucket-level default that automatically applies a retention **mode/period** to new object versions (unless explicitly set differently).

**What it’s for:**
  * Enforce consistent baseline retention for new uploads.

**Important exam clarifications:**
  * Bucket default retention sets **default mode/period**, not a per-object **Retain Until Date** you manually specify at bucket level.
  * Bucket defaults do **not** “override” an explicit retention you set on an object version in the way the wrong option suggests.

**Hard words:**
  * *baseline* /ˈbeɪslaɪn/: chuẩn nền
  * *explicit* /ɪkˈsplɪsɪt/: tường minh (chỉ định rõ)
  * *override* /ˌoʊvərˈraɪd/: ghi đè/đè lên