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In RAID level 5, _______ the data blocks are spread over separate drives and are duplicated. the array requires a minimum of two drives and is known as a striped array. the data and the parity data are striped across separate drives. the array requires a minimum of five drives and is known as duplexing. Which command(s) is used to restore the contents of a table to their original values? _______ RESTORE BACKUP COMMIT ROLLBACK On the server side, the DBMS environment must be properly configured to respond to clients requests in the fastest way possible, while making optimum use of existing resources. The activities required to achieve that goal are commonly referred to as _______ tuning. client and server database SQL performance DBMS performance The _______ data type is considered compatible with VARCHAR (35). DATE INT TINYINT CHAR (15) _______ security breaches include database access by computer viruses and by hackers whose actions are designed to destroy or alter data. Dangerous Preserving Corrupting Authorized If there is not index, the DBMS will perform a _______ scan. loop range row ID table access full table