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