Referential Integrity is the rule to make sure that relationships between coupled tables remain secure True False Question 82 (1 point) Sniffing occurs in which of the following points of a firm network? client computer internal corporate back-end system communications lines O corporate servers Question 83 (1 point) Users prefer systems that work with existing DBMS. facilitate firm tasks and solve business issues. are able to provide optimum hardware and software efficiency. are capable of storing much more data than they need