At a national defense company, protecting sensitive data is their top priority. With the increase in cyber-attacks, they have decided to implement an air-gapped Kubernetes environment to manage…

At a national defense company, protecting sensitive data is their top priority. With the increase in cyber-attacks, they have decided to implement an air-gapped Kubernetes environment to manage their critical applications, ensuring that no information could leak to the outside. The Kubernetes environment has three clusters deployed for their applications with centralized management. What type of licensing is required to enable this environment?