References and Links:

• Roles and Features Video
• MS TechNet List of Windows Server 2012 Roles and Features
• Top 5 Roles to deploy Windows Server 2012

With Server 2012, you can install roles and features by using the Add Roles and Features Wizard or the Install-WindowsFeature Windows PowerShell cmdlet.

To design, deploy, manage and troubleshoot technologies in Windows Server 2012: - MS TechNet Server Roles and Technologies)