Data and Database Administration Backward recovery is which of the following? Switching to an existing copy of the database Where the before-images are applied to the database Where the after-images and before-images are applied to the database Where the after-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 and 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 greatest threat to business security is often internal rather than external. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A traditional data administrator performs which of the following roles? Resolve data ownership issues Establish backup and recovery procedures Protect the security of the database Tune database performance Resolve data ownership issues Establish backup and recovery procedures Protect the security of the database Tune database performance 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Concurrency control is important for which of the following reasons? To ensure data integrity when updates occur to the database in a multiuser environment To ensure data integrity while reading data occurs to the database in a single-user environment To ensure data integrity while reading data occurs to the database in a multiuser environment To ensure data integrity when updates occur to the database in a single-user environment To ensure data integrity when updates occur to the database in a multiuser environment To ensure data integrity while reading data occurs to the database in a single-user environment To ensure data integrity while reading data occurs to the database in a multiuser environment To ensure data integrity when updates occur to the database in a single-user environment ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is the preferred way to recover a database after a system failure? Reprocess transactions Rollback Rollforward Switch to duplicate database Reprocess transactions Rollback Rollforward Switch to duplicate database ANSWER DOWNLOAD EXAMIANS APP
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