判断题 【色彩平衡】命令只能调节中间色调。

多项选择题 Your company has an Active Directory forest that contains client computers that run Windows  Vista and Windows XP.     You need to ensure that users are able to install approved application updates on their  computers.     Which two actions should you perform（）

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？（）