Security controls are measures taken to protect systems from attacks on the integrity, confidentiality, and availability of the system. If a potential employee is required to undergo a drug screening, which of the following controls is being conducted?
A. preventive security controls
B. technical security controls
C. physical security controls
D. administrative controls

The correct option is D: Administrative controls

Explanation:

Administrative controls are also known as work practice controls and involves changes in the procedure of work such as rules, schedules, policies, training etc, with the intention of cutting down to the barest minimum incidence, duration, and the graveness of exposure to situations or chemical that constitute a hazard. Drug screening test would be to ensure that the employee is fit to work and does not form a hazard and thus is an administrative control.