Which RAID type is redundant and efficient?

Last modified on July 1st, 2013 at 11:18 am



Which of these RAID types not only provides a high level of availability, but also allows efficient access to data when a failure occurs?

A) RAID 0

B) RAID 1

C) RAID 5

D) RAID 55

E) ULDUAR


The answer: B) RAID 1

RAID 1, or mirroring, provides complete duplication across physical drives. Although this requires twice as much space to store data, the retrieval of the data during a failure doesn’t require any additional parity calculations.

Want to know more? Watch “Configuring RAID.”

RAID technology provides organizations around the world with real-time redundancy of important data. In this video, we’ll show you how RAID works and we’ll discuss the different configuration options for RAID. We’ll also provide some hands-on detail with a live demonstration of the RAID configuration process in Microsoft Windows.

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Category: CompTIA A+ Pop Quizzes

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