Which of the following statements best describes RAID 5? - ProProfs Discuss
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Which of the following statements best describes RAID 5?



A. A RAID 5 array consists of at least two drives. Pairity information is written across both drives to provide fault tolerance
B. A RAID 5 array consists of at least three drives and distributes parity information across all the drives in the array
C. A RAID 5 array consists of at least three drives and stores the parity information on a single drive
D. A RAID 5 array consists of at least four drives. The first and last drives in the array are used to store parity information

This question is part of CompTIA Network+ Practice Exam 1 (72 Questions)
Asked by Wyatt Williams, Last updated: Jul 07, 2020

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Wyatt Williams

Wyatt Williams

Answered Mar 07, 2018

A RAID 5 array consists of at least three drives and distributes parity information across all the drives in the array

A RAID 5 array consists of at least three hard disks, and it stripes parity information across all disks in the array. Answer A is incorrect because RAID 5 (disk striping with parity) requires at least three drives. Answer C is incorrect because the parity information is stored in a stripe across all three drives in the array, not on a single drive. RAID 5 requires only three drives, which makes answer D incorrect.
 

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