What is the purpose of employing RAID with FortiAnalyzer?

What is the purpose of employing RAID with FortiAnalyzer?
A . To introduce redundancy to your log data
B. To provide data separation between ADOMs
C. To separate analytical and archive data
D. To back up your logs

Answer: A

Explanation:

https://en.wikipedia.org/wiki/RAID#:~:text=RAID%20(%22Redundant%20Array%20of%20Inexpensive,%2C%20performance%20improvement%2C%20or%20both.