In a new installation of Oracle Database 11g， you perform these activities：  1：Organize software and data on different subdirectories to avoid poor performance.  2：Use consistent naming conventions for database files.  3：Separate administrative information pertaining to the database in different directories.  Which option corresponds to the type of activities you performed（）

• A、Oracle Managed Files
• B、Oracle Grid Architecture
• C、Optimal Flexible Architecture
• D、Oracle database architecture
• E、Automatic Storage Management