Your company has 300 portable computers that run Microsoft Office Enterprise 2007. The company participates in the Microsoft Software Assurance program. You are designing a solution that enables remote employees to use Office and to access their Home folders. You plan to implement a Remote Desktop Services （RDS） infrastructure， and you plan to deploy Office Enterprise 2007 as a virtual application on the RDS servers.  
You need to choose the appropriate licenses. Which licensing solution should you choose？（）

All servers on your company’s network run Windows Server 2008 R2. All client computers run Windows Vista. 
The company is planning to virtualize an application that is CPU intensive and that runs only on Windows Vista and Windows 7. You need to recommend a virtualization solution that minimizes the use of CPU resources on the server.   
Which technology should you recommend？（）