Data purging uses a method such as degaussing to make the old data unavailable even with forensics

Tommy handles access control requests for his organization. A user approaches him and explains that he needs access to the human resources database in order to complete a headcount analysis requested by the CFO. What has the user demonstrated successfully to Tommy?

A. Clearance B. Separation of duties C. Need to know D. Isolation

Given the ShoeType structure type definition. Write a function for the declaration (prototype).

``` struct ShoeType{ char style; double price; void readShoeRecord(ShoeType& Item); // Prompts for data and fills ShoeType argument members ```