Data and Database Administration Which of the following is part of an administrative policy to secure a database? Limiting particular areas within a building to only authorized people Authentication policies Ensure appropriate responses rates are in external maintenance agreements All of these Limiting particular areas within a building to only authorized people Authentication policies Ensure appropriate responses rates are in external maintenance agreements All of these ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is which of the following? Where the before-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 after-images are applied to the database Where the before-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 after-images are applied to the database ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Authorization tables contain highly sensitive data and should be protected by stringent security rules. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Backward recovery is used to reverse the changes made by transactions that have aborted, or terminated abnormally. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Information repositories are replacing data dictionaries in many organizations. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Concurrency control is important for which of the following reasons? To ensure data integrity while reading data occurs to the database in a single-user environment To ensure data integrity when updates occur 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 multiuser environment To ensure data integrity while reading data occurs to the database in a single-user environment To ensure data integrity when updates occur 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 multiuser environment ANSWER DOWNLOAD EXAMIANS APP