Final answer:
Three characteristics defined on a per-bucket basis in Cloud Storage are a globally-unique name, an encryption-at-rest setting, and a default storage class.
Step-by-step explanation:
Three characteristics that are defined on a per-bucket basis in Cloud Storage are:
- A globally-unique name: Each bucket in Cloud Storage must have a globally-unique name, meaning no other bucket can have the same name in any location worldwide.
- An encryption-at-rest setting (on or off): You can choose to enable or disable encryption at rest for the objects in a bucket. When enabled, Cloud Storage automatically encrypts the objects stored in that bucket using strong encryption algorithms.
- A default storage class: Each bucket can have a default storage class, which determines the availability, durability, and pricing model of the objects stored in the bucket.