A.1 B.5 C.10 D.15 E.Depends on system memory resources
A.CKPT B.SMON C.LGWR D.DBWn E.ARCn
A.It detects corrupt blocks. B.It performs only offline database backups. C.It omits empty blocks during backups. D.It performs tablespace point-in-time recovery (TSPITR).