Data and Database Administration Which of the following is the preferred way to recover a database after a system failure? Reprocess transactions Switch to duplicate database Rollback Rollforward Reprocess transactions Switch to duplicate database Rollback Rollforward ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is which of the following? Where the after-images are applied to the database Switching to an existing copy of the database Where the after-images and before-images are applied to the database Where the 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 after-images and before-images are applied to the database Where the before-images are applied to the database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Poor data administration can lead to which of the following? All of these A single definition of the same data entity Familiarity with existing data Missing data elements All of these A single definition of the same data entity Familiarity with existing data Missing data elements ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is the preferred way to recover a database after a transaction in progress terminates abnormally? Rollback Rollforward Switch to duplicate database Reprocess transactions Rollback Rollforward Switch to duplicate database Reprocess transactions ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Data modeling and database design are key responsibilities of data and data base administration. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is part of an administrative policy to secure a database? Ensure appropriate responses rates are in external maintenance agreements Authentication policies Limiting particular areas within a building to only authorized people All of these Ensure appropriate responses rates are in external maintenance agreements Authentication policies Limiting particular areas within a building to only authorized people All of these ANSWER DOWNLOAD EXAMIANS APP
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