Which of the following is NOT a data administration task? O Providing database backup and recovery O Monitoring and maintaining the database system o Creating a conceptual database model O Securing the database against unauthorized access QUESTION 8 Regarding big data value, the primary focus is on: o speed. O usefulness. O quantity. o variety QUESTION9 The following are part of every DBMS package. O data manipulation component application development component O data definition component data definition AND data manipulation components QUESTION 10 Big Data includes: large volumes of entity relationship diagrams (ERD) With many different data types that are processed at very high seeds large volumes of data with many different data types that are processed at very high speeds large volumes of data entry with a single data type processed at very high speeds. large volumes of entity relationship diagrams (ERD) with a single data type processed at very high speeds