You execute the following Recovery Manager （RMAN） commands in he following order：   BACKUP VALIDATE DATABAE RECOVER CORRUPTION LIST；   Which two tasks are performed by these commands？（）  

• A、 Repair the corrupted blocks. If any. In the backup created
• B、 Populate VSCOPV_CORRUPTION with names of files that have corrupted blocks
• C、 Back up the database after checking whether array of the files have corrupted blocks
• D、 Discover any corrupt blocks that are viewable with the VSDATABASE_BI-OCK_CORBUPTION view
• E、 Repair all corrupted blocks that have been logged in the VSDATABASE_BLOCK_ CORRUPTION