Which OCI construct serves as the root container for all your cloud resources and acts as the logical boundary for managing users, groups, and compartments?
The tenancy is the root container created when you sign up for OCI. It holds all compartments, users, and groups, and defines the top-level logical and security boundary within which every other resource is organised and access is governed.
Why this answer
The Tenancy is the root compartment and overarching container for all OCI resources.