Data and Database Administration A shared lock allows which of the following types of transactions to occur? Delete Insert Read Update Delete Insert Read Update ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration A disaster recovery plan does not need to include the shipment of database backups to other sites. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Mirrored databases are almost always provided in high-availability systems. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is part of an administrative policy to secure a database? Authentication policies Ensure appropriate responses rates are in external maintenance agreements Limiting particular areas within a building to only authorized people All of these Authentication policies Ensure appropriate responses rates are in external maintenance agreements Limiting particular areas within a building to only authorized people All of these 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data and Database Administration Which of the following is the preferred way to recover a database after a system failure? Rollback Rollforward Switch to duplicate database Reprocess transactions Rollback Rollforward Switch to duplicate database Reprocess transactions ANSWER DOWNLOAD EXAMIANS APP