单项选择题 You are evaluating a Windows Azure application.  The application includes the following elements：   - A web role that provides the ASP.NET user interface and business logic   - A single SQL Azure database that contains all application data    Each page must receive data from the business logic layer before returning results to the client.  Traffic has increased significantly.   The business logic is causing high CPU usage.   You need to recommend an approach for scaling the application.  What should you recommend？（）

单项选择题 You are designing a Windows Azure web application that does not use ASP.NET.   The application requires a standalone Win32 interpreter.  You need to recommend an approach for allowing access to the interpreter.  What should you recommend？（）

多项选择题 You are designing a Windows Azure application.   The application includes processes that communicate by using Windows Communications Foundation （WCF） services.  The WCF services must support streaming.  You need to recommend a host for the processes and a WCF binding.   Which two actions should you recommend？（）