多项选择题 You are designing a Windows Azure application that will communicate with existing on-premise applications and services.  The application will be activated for Windows Azure Connect.  You need to recommend a solution for completing the Windows Azure Connect configuration.  Which two actions should you recommend？（）

单项选择题 You are designing a Windows Azure application that will include two web roles.  The web roles will communicate with on-premise development computers and on-premise databases.  Web Role 1 must connect to development computers and databases.  Web Role 2 must connect to only databases.  What should you recommend？（）

单项选择题 You are designing a plan to migrate an existing application to Windows Azure.  The application must use the existing Active Directory Domain Services （AD DS） domain. You need to recommend an approach for joining Windows Azure virtual machines to the domain.  What should you recommend？（）