What are two benefits of installing Grid Infrastructure software for a stand-alone server before installing and creating an Oracle database?（）

• A、Effectively implements role separation
• B、Enables you to take advantage of Oracle Managed Files.
• C、Automatically registers the database with Oracle Restart.
• D、Helps you to easily upgrade the database from a prior release.
• E、Enables the Installation of Grid Infrastructure files on block or raw devices.