A company needs to deploy a server named “testserver” to the Azure cloud. The company’s requirement states that the server needs to be deployed on a separate network segment. Which of the following could be used to deploy the server to ensure that it meets the company requirement?

Answer options:

A.A separate resource group
B.A separate virtual network
C.A separate network interface for the server
D.A separate account for the server

Answer – B 
If the server needs to be isolated, then consider deploying a new virtual network for the server. 
The Microsoft documentation mentions the following. 

All other options are invalid since they would not provide a means of isolation for the server. 
For more information on virtual networks, please visit the below URL- 

https://docs.microsoft.com/en-us/azure/virtual-network/virtual-networks-overview