Which of the following term is best defined by the statement: “CASE tools and the target applications are isolated from physical storage so they are not affected when the hardware configuration is changed.” ?

Which of the following term is best defined by the statement: “CASE tools and the target applications are isolated from physical storage so they are not affected when the hardware configuration is changed.” ?

A. Non-redundant data storage
B. Data independence
C. Data dependence
D. Ad Hhoc data queries and reports