You have a Linux machine with an Oracle database instance running on it. The database is an online transaction processing (OLTP) database with a large number of read and write transactions. Which two conditions can cause an I/O bottleneck for your system during peak hours? (Choose two.)
A.
Oracle I/O slaves are being used by the database instance.
B.
RAID 5 is implemented with a high number of stripe columns.
C.
Fastest and slowest drives are logical volumes using different physical volume groups.
D.
All redo log members, control files, and data files for the database are placed on a single disk.
I choose BD