What statement best describes the concept of Policy-Based Automation provided by Nuage Networks? 

The virtual machines are automatically instantiated according to the specific policy defined in the CMS. 

Network devices as TOR/EOR switch, and leaf/spine routers, are automatically provisioned based on the configuration policy. 

The Nuage Networks VCS solution can integrate with any CMS, operate on any hypervisor, and be deployed in any data center network. 

The overlay network instances are automatically created according to the configuration details defined in a specific policy. 

The Nuage Networks VCS solution can integrate with any CMS, operate on any hypervisor, and be deployed in any data center network.