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Higher-numbered items

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Reference no: EM132323042

Consider the following locking protocol. All items are numbered, and once an item is unlocked, only higher-numbered items may be locked. Locks may be released at any time. Only X-locks are used. Which of the following is true for the given protocol?

A. Guarantees serializability

B. Does not guarantee serializability

C. This protocol is completely incorrect

D. None of above

Reference no: EM132323042

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