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CompTIA A+ 220-901

Category - Hardware

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Which RAID configuration provides redundancy, but not necessarily faster speeds?

RAID 0
RAID 1
RAID 5
RAID 10

Explanation

Answer: B - RAID 1s configuration is mirroring, which provides redundancy but no speed benefit.

Key Takeaway: Know the RAID levels for your A+ test (it comes up on nearly every CompTIA professional test). RAID 0 is striping, which gives you speed without redundancy. RAID 5 is striping with parity, providing for redundancy and speed. RAID 10, a combination of RAID 1 and 5, is two mirrored sets of striped sets with parity, giving even more redundancy.

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CompTIA A+ 220-901

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