A company has a set of IT engineers responsible for implementing and managing the resources in their Azure account. Below are the list of operating systems available with the company. Windows 10
macOS
Ubuntu
Which of the following tools can you use on the Windows 10 machines?

Answer options:

A.The Azure CLI and Azure Portal only
B.The Azure CLI and Powershell only
C.The Azure Portal and Powershell only
D.The Azure CLI, Azure Powershell and Azure Portal

Answer – D 
The Azure portal can be viewed on any browser and hence can be viewed on almost all operating systems. 
The Azure CLI is available on all platforms as shown below in the Microsoft documentation. 

Azure Powershell is available on all platforms as shown below in the Microsoft documentation 

https://docs.microsoft.com/en-us/cli/azure/install-azure-cli?view=azure-cli-latest
https://docs.microsoft.com/en-us/powershell/azure/install-az-ps?view=azps-1.2.0