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1.

The recovery scheme must also provide(a) High availability(b) Low availability(c) High reliability(d) High durability

Answer» Right option is (a) High availability

The best explanation: It must minimize the time for which the database is not usable after a failure.
Discussion
2.

Which kind of failure loses its data in head crash or failure during a transfer operation.(a) Transaction failure(b) System crash(c) Disk failure(d) All of the mentioned

Answer» Right choice is (c) Disk failure

The best explanation: Copies of the data on other disks, or archival backups on tertiary media, such as DVD or tapes, are used to recover from the failure.
Discussion