You work as a network exchange administrator at Company.com.the Company.com network currently consists of a single active directory forest containing a single domain named Company.com.The Company.com organization makes use of microsoft exchange server 2010 as their messaging solution.During the course of the business week you receive instruction from Company.com to install the hub transport server role on a new server named -ex10.you started your task by installing the prerequisites for the role on -ex10.you need to determine the subsequent step that you should accomplish. What should you do？（）

• A、You should consider having the Setup.com /M：Install /R：HT command run from the command prompt.
• B、You should consider having the ServerManagerCmd.exe -IP Exchange-HUB.xml command run from the command prompt.
• C、You should consider having the Add-WindowsFeature cmdlet run from Windows PowerShell.
• D、You should consider having the Install-TransportAgent.ps1 scri[t run from Windows PowerShell.