How does RAID provide data protection?

How does RAID provide data protection?

  1. a) Using either data mirroring or parity
  2. b) Using either data mirroring or striping
  3. c) Using high quality disk drives
  4. d) Using dedicated data protection hardware

From the Sonali & Janata Bank Assistant Database Administrator September 2021 – Preliminary (AUST) exam, question 36 of 93.

More from this paper