SK0-003 · Question #702
Which of the following stripes data at the block level and does not have a dedicated disk for parity?
The correct answer is D. RAID 0 and RAID 5. RAID 0 stripes data at the block level with no parity, while RAID 5 also stripes at the block level but distributes parity information across all disks, eliminating the need for a dedicated parity drive.
Question
Which of the following stripes data at the block level and does not have a dedicated disk for parity?
Options
- ARAID 1 and RAID 5
- BRAID 2 and RAID 10
- CRAID 3 and RAID 0
- DRAID 0 and RAID 5
How the community answered
(54 responses)- A7% (4)
- B2% (1)
- C2% (1)
- D89% (48)
Why each option
RAID 0 stripes data at the block level with no parity, while RAID 5 also stripes at the block level but distributes parity information across all disks, eliminating the need for a dedicated parity drive.
RAID 1 uses mirroring, not striping. While RAID 5 fits the criteria, the combination is incorrect.
RAID 2 uses bit-level striping and dedicated disks for error correction codes (ECC), not block-level striping for data. RAID 10 uses striping over mirrors, which is block-level, but relies on mirroring for redundancy rather than parity.
RAID 3 uses byte-level striping and has a dedicated parity disk, which contradicts the condition of not having a dedicated disk for parity.
RAID 0 performs block-level striping without any parity or redundancy, thus not using a dedicated parity disk. RAID 5 also uses block-level striping but distributes the parity information across all member disks, meaning there is no single dedicated parity disk.
Concept tested: RAID levels' striping and parity characteristics
Source: https://learn.microsoft.com/en-us/windows/win32/fileio/raid
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