You perform a Server Core Installation of Windows Server 2012 R2 on a server named Server1. You need to add a graphical user interface （GUI） to Server1. Which tool should you use？（）
- Athe dism.exe command
- Bthe Add-WindowsFeature cmdlet
- Cthe imagex.exe command
- Dthe setup.exe command
- Ethe ocsetup.exe command
- Fthe Add-WindowsPackage cmdlet
- Gthe Install-Module cmdlet
- Hthe Install-RoleService cmdlet