Which access modifier is used to ensure that a variable can only be accessed within the class where the variable is declared? Private O Public O Protected Friend In requirement specification or requirement engineering, functional requirements . o should be complete and consistent O should be precise and concise o include domain requirements O plan the solution to the problems identified in the software analysis stage Which of the following statements is NOT true about a parameterized query? o it uses a SQL statement to define a query o it is used in a typed DataSet application O it is used in a Drag-n-drop application O it defines a LINQ query