Two RAID Arrays Are Created from Eight Disks

question 138

Multiple Choice

Two RAID arrays are created from eight disks. One is created using RAID 6, the other is created using RAID 5 with a hot spare. Which of the following is the operational difference between these configurations?

• A) RAID 6 has the ability to recover from two disks simultaneously failing.
• B) The RAID 5 array will be significantly faster than the RAID 6 array.
• C) The RAID 6 array will be significantly faster than the RAID 5 array.
• D) RAID 6 has a higher storage capacity than RAID 5.

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Definitions:

One-way ANOVA

A statistical test that analyzes the differences among three or more group means by comparing within-group variance to between-group variance.

Normally Distributed

Describes a distribution of data where most values cluster around a central mean value, with the distribution tapering off symmetrically towards both extremes.

Weighted Average

An average whereby each quantity to be averaged is assigned a weight, reflecting its importance or frequency relative to other quantities.

Observations

Individual data points or measured values collected during an experiment or survey.