Why would an organization set up private image registries?

Why would an organization set up private image registries?
A. Role-based access control can be assigned by integrating the image registry with user identity management.
B. DevOps engineers are able to store virtual machine images in a central location.
C. Open source registry server projects enable organizations to modify them as necessary.
D. Public image registries lack enterprise support.

Answer: A
Explanation:

VMware created Harbor in 2014. Harbor was shared with the community through an open-source license in 2016 and donated to the Cloud Native Computing Foundation (CNCF) in 2018.
Harbor is integrated into VMware products: vSphere Integrated Containers, Tanzu Kubernetes Grid Integrated Edition, and vSphere with Tanzu. The embedded Harbor for vSphere with Tanzu includes the following features: • Identity integration and role-based access control
• Graphical user interface
• Auditing of operations
• Management with labels