Which of the following statements are CORRECT about the host that provides external Mock storage for Cinder?

The private cloud is constructed independently for an enterprise and provides the most effective control over data, security, and service quality. Private clouds car be built by enterprise IT departments or cloud platform service provides. An enterprise can deploy its own network or application services on the cloud platform. Private clouds can be deployed. An enterprise data centers or in equipment rooms of cloud platform service providers.

Each step in the automatic deployment process is automated, which can bring significant benefits including efficiency. What are the key elements?