ABC.com runs an Oracle 11g database. Over time they begin to complain about nightly write
issues. After a complete review, no issues were found on the server.
What is the most probable cause?

A.
Datafiles are located on RAID 1/0 devices

B.
Redo logs are on the same devices with thedatafiles

C.
Archive logs are located on RAID 1 devices

D.
Control files are on the same devices with thedatafiles