A.The Oracle database will perform block checking for the index blocks only 
B.The Oracle database will not perform block checking for any of the data blocks 
C.The Oracle database will perform block checking for the default permanent tablespace only 
D.The Oracle database will perform block checking for the data blocks in all user tablespaces 
E.The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only Oracle

A.Drop the affected tablespace, re-create the tablespace, restore the datafiles, and the tablespace. 
B.Take the affected datafile offline (if not already offline), restore the damaged image of the datafile, and then bring it online. 
C.Restart the database in MOUNT mode, restore the damaged datafile, recover the datafile and then open the database with resetlogs.
D.Put the database in RESTRICTED mode, restore all the datafiles in the affected datafile and recover the tablespace, and then put the database in normal operational mode.