Final answer:
Bucket names have to be unique across all AWS accounts.
Step-by-step explanation:
Bucket names have to be unique across all AWS accounts. This statement is true.
In Amazon Web Services (AWS), a bucket is a container for objects stored in Amazon S3 (Simple Storage Service). Each bucket name within AWS must be globally unique, meaning no other AWS account can have a bucket with the same name. This is to ensure that there are no conflicts or naming collisions between different accounts.
For example, if Account A creates a bucket with the name 'mybucket', no other AWS account can create a bucket with the same name 'mybucket'. This uniqueness requirement applies across all AWS accounts.