A company is planning to set up a private cloud network. Which of the following is an advantage of setting up a private cloud network?

Answer options:

A.A Private Cloud environment can only support an Infrastructure as a service model.
B.A Private Cloud environment can only support a Platform as a service model.
C.The Private Cloud environment can be rolled out to the general public.
D.The Private Cloud environment has a higher level of security and privacy.

Answer - D 
The Microsoft documentation mentions the following. 

Since this is clearly mentioned, all other options are incorrect. 
For more information on the private cloud network, please visit the below URL- 

https://azure.microsoft.com/en-us/overview/what-is-a-private-cloud/