D-ISM-FN-01: Information Storage and Management Foundations Q6 — Practice Question

QuestionQ6

Storage Systems

What is the primary advantage of RAID 6 over RAID 5?

A Higher usable storage capacity
B Higher resiliency
C Lower write penalty
D Fewer disk drives

Explanation

RAID 6 stores dual parity and can withstand two simultaneous drive failures, whereas RAID 5 can tolerate only one. This provides higher resiliency.

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