For which two systems would you recommend configuring DBWR I/O slaves instead of multiple database writer processes? (Choose two.)
A.
for systems where you have a single CPU
B.
for systems where asynchronous I/O is not available
C.
for systems with multiple CPUs or multiple processor groups
D.
for systems where asynchronous I/O is available and configured
E.
for systems where throughput is an important performance consideration