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Which of the following is/are the characteristics of RAID architecture.

i) RAID is set of physical disk drives viewed by the operating system as a single logical drive

ii) Data are distributed across the physical drives of an array

iii) It is used to store parity information, which guarantees data recoverability in case  of disk failure.

Select one:

a. i and ii only

b. ii and iii only

c. i, ii and iii

d. i and iii only

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All of the listed options above are common characteristics shared by all RAID levels.

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