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Which of the following is not a classification of storage

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Which of the following is not a classification of storage

(a) Volatile storage

(b) Nonvolatile storage

(c) Stable storage

(d) None of the mentioned

I got this question at a job interview.

My enquiry is from Failure Classification and Storage in chapter Recovery System of RDBMS

1 Answer

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Best answer
Right answer is (d) None of the mentioned

Best explanation: Volatile storage, non-volatile storage and stable storage are three different classifications of storage. Volatile storage is the least secure whereas stable storage is the most secure among them.

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