Which term stands for Supervisory Control and Data Acquisition, a type of OT system that monitors and controls geographically distributed assets from a central host?

Which term stands for Supervisory Control and Data Acquisition, a type of OT system that monitors and controls geographically distributed assets from a central host?

• A. Operational Technology (OT)
• B. Industrial Control System (ICS)
• C. SCADA
• D. Data Historian

Answer: (C)

SCADA represents Supervisory Control and Data Acquisition, a type of OT system built to monitor and control assets spread over large geographic areas from a central host. In a SCADA setup, a central supervisory computer communicates with field devices like RTUs or PLCs, gathering real-time data and issuing control commands to manage processes, equipment, and operations across distant sites. This distinguishes SCADA from broader terms: Operational Technology is the overall domain of hardware and software that controls physical processes, while an Industrial Control System is a general umbrella for control systems that can include SCADA and other architectures. A Data Historian, on the other hand, is a data storage component used to log and analyze historical process data, not the control system itself. The term that fits the described system is SCADA.