多项选择题
A. Remove all clustered indexes from the database.
B. Remove all dependencies on the Microsoft Distributed Transaction Coordinator （MSDTC） from the application.
C. Use SSL and SQL authentication to connect to the database.
D. Use SSL and Windows authentication to connect to the database.
单项选择题 You are designing a Windows Azure application that will execute long-running business processes. Applying a configuration change requires role instances to recycle. You must not recycle until processing is finished. You need to recommend an approach for applying configuration changes. What should you recommend？（）
单项选择题 A Windows Azure application includes a single-threaded worker role that has multiple instances. The worker role hosts a Windows Communication Foundation （WCF） service. Each request to the WCF service takes several seconds to complete. You need to recommend an approach for ensuring that worker role instances do not receive requests while processing. What should you recommend？（）
单项选择题 You plan to host a Windows Communication Foundation （WCF） service in a Windows Azure worker role. Custom code is necessary to initialize and configure the service endpoint. You need to recommend the point at which the application should initialize the WCF service. What should you recommend？（）