Which of the following RAID levels will you use to implement a RAID system for providing fault
tolerance to a database?
A.
RAID 1
B.
RAID 10
C.
RAID 5
D.
RAID 0
Explanation:
RAID 1 is used to implement a RAID system for providing fault tolerance to a database. RAID 1
mirrors the contents of the disks, making a form of 1:1 ratio realtime backup. The contents of each
disk in the array are identical to that of every other disk in the array. A RAID 1 array requires a
minimum of two drives.
system fails, you can lose access to data. This level provides the best performance of the read and
write operations.
A