______________ which increases the number of I/O operations needed to write a single logical block, pays a significant time penalty in terms of write performance.

______________ which increases the number of I/O operations needed to

1.	______________ which increases the number of I/O operations needed to write a single logical block, pays a significant time penalty in terms of write performance.
A.	RAID level 1
B.	RAID level 2
C.	RAID level 5
D.	RAID level 3
Answer» D. RAID level 3