ISC Exam Questions

which RAID level should he implement?

Andy is the new network administrator. He needs to make a decision on which RAID level is best to implement for his company. If Andy needs to ensure that there is no single point of failure, which RAID level should he implement?

A.
RAID 3

B.
RAID 4

C.
RAID 2

D.
RAID 5

Explanation:
With RAID level 5 data are written in disk sector units to all drives.
Parity is written to all drives also, which ensures there is no single point of
failure.