Answer:
Explanation:
In this particular example, these three healthcare companies using a public cloud because the companies share the resources.
They are using the model IaaS (Infrastructure as a service) this mean an external company is sharing their resources to this three companies, they can store data in this model, Infrastructure as a service gives you the highest level of flexibility and management control around your IT resources, is the best benefit in this model, you buy only what you need.
