单项选择题 You are planning the deployment of a SQL Azure database.  Your company has a Volume Licensing Agreement for Microsoft SQL Server 2008. The SQL Azure database must maintain a monthly availability of 99.9%.   You need to recommend an approach for minimizing the monthly expenses associated with the SQL Azure database.  What should you recommend？（）

单项选择题 You are designing a strategy for synchronizing two geographically disparate SQL Azure databases.  A database named DB1 is located in North America. A database named DB2 is located in Asia.  DB2 contains a subset of the tables in DB1.  You need to recommend an approach for bidirectionally synchronizing the databases each day.  What should you recommend？（）

单项选择题 You are designing a Windows Azure application.  The application will include occasionally connected clients that reference data stored in Windows Azure Blob storage.  The clients will be able to add data while disconnected.  You need to recommend an approach for synchronizing offline client data with Windows Azure Blob storage.  What should you recommend？（）