Dell EMC D-CIS-FN-01 Exam - Topic 1 Question 15 Discussion

Actual exam question for Dell EMC's D-CIS-FN-01 exam

Question #: 15
Topic #: 1

Which storage data protection technique provides space-optimal data redundancy to prevent data loss against multiple disk drive failures?

AErasure coding

BCache protection

CRAID

DDynamic disk sparing

Show Suggested Answer

Suggested Answer: C

by Tarra at Jul 17, 2026, 08:29 PM

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Shalon

3 days ago

Surprised that people still debate this, erasure coding is the future!

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Lina

8 days ago

I agree with TechGuru, erasure coding is the way to go!

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Glory

14 days ago

Wait, isn't RAID just for single drive failures?

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Laurel

19 days ago

I think C) RAID is more common though.

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Cherry

24 days ago

Definitely A) Erasure coding! Super efficient.

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Yun

29 days ago

I vaguely recall that erasure coding is more space-efficient than RAID, but I need to double-check that before I commit to an answer.

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Justine

1 month ago

I’m leaning towards RAID since it’s commonly mentioned in discussions about disk failures, but I could be mixing it up with dynamic disk sparing.

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Gladis

1 month ago

I remember practicing a question about RAID, but I feel like erasure coding is specifically designed for redundancy.

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Casie

1 month ago

I think it might be erasure coding, but I'm not entirely sure how it compares to RAID in terms of space efficiency.

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