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The simplest way of transferring control is for the old primary to receive __________ from the old backup site. (a) Undo logs (b) Redo Logs (c) Primary Logs (d) All of the mentioned I had been asked this question in class test. My query is from Remote Backup Systems topic in division Recovery System of Database Management

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Correct option is (c) Primary Logs For explanation: If control must be transferred back, the old backup site can pretend to have failed, resulting in the old primary taking over.

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