单项选择题

A. Use SQL Azure Data Sync.B. Use custom Microsoft Sync……

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？（）

A. Use SQL Azure Data Sync.
B. Use custom Microsoft Sync Framework metadata.
C. Use a Microsoft Sync Framework Partial Participant.
D. Use a Microsoft Sync Framework file synchronization provider.

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