Preenka works at an airport. There are red lines painted on the ground next to the runway; Preenka has been instructed that nobody can step or drive across a red line unless they request, and get specific permission from, the control tower. This is an example of a(n)______ control. (D1, L1.3.1) A) Physical B) Administrative C) Critical D) Technical {Ans: B is correct. The process of requesting and getting permission, and the painted signage, are examples of administrative controls. A is incorrect; while the line is painted on the ground (and the ground is a tangible object), the line does not actually act to prevent or control anything—the line is a symbol and indicator; Preenka could easily walk across the line, if Preenka chose to do so. C is incorrect; "critical" is not a term commonly used to describe a particular type of security control, and is used here only as a distractor. D is incorrect; a painted line is not an IT system or part of the IT environment.}When data has reached the end of the retention period, it should be _____. (D5.1, L5.1.1) A) Destroyed B) Archived C) Enhanced D) Sold {Ans: At the end of