204. Security guards are appropriate whenever the function required by the security program involves which of the following?

Вариант ответа 1 - A. The use of discriminating judgment.

Вариант ответа 2 - B. The need to detect unauthorized access.

Вариант ответа 3 - C. The use of physical force.

Вариант ответа 4 - D. The operation of access control devices.