Data and Database Administration The greatest threat to business security is often internal rather than external. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is which of the following? Where the after-images and before-images are applied to the database Switching to an existing copy of the database Where the before-images are applied to the database Where the after-images are applied to the database Where the after-images and before-images are applied to the database Switching to an existing copy of the database Where the before-images are applied to the database Where the after-images are applied to the database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration The transaction log includes which of the following? The before-image of a record The essential data of the record The after-image of a record The before and after-image of a record The before-image of a record The essential data of the record The after-image of a record The before and after-image of a record ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration The restore/rerun technique involves reprocessing the day's transactions up to the point of failure. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Locking may cause which of the following problems? Versioning Erroneous updates All of these Deadlock Versioning Erroneous updates All of these Deadlock ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration With concurrent processing involving updates, a database with concurrency control will be compromised due to interference between users. True False True False ANSWER DOWNLOAD EXAMIANS APP
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