1.

A _______________ configuration can make takeover by the backup site almost instantaneous.(a) Hot-spare(b) Remote(c) Direct(d) SpareI have been asked this question in final exam.The origin of the question is Remote Backup Systems in chapter Recovery System of Database Management

Answer»

Right choice is (d) Spare

To explain: In this CONFIGURATION, the remote backup site CONTINUALLY processes redo LOG RECORDS as they arrive, applying the updates locally.



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