What is the primary use of SCADA in large facilities?

What is the primary use of SCADA in large facilities?

• A. DNS resolution for domain names
• B. VPN tunneling for remote access
• C. Supervisory Control and Data Acquisition for monitoring equipment
• D. File backup scheduling

Answer: (C)

SCADA stands for Supervisory Control and Data Acquisition, and it is used to monitor and control industrial processes across large facilities. It gathers real-time data from sensors and field devices, presents it to operators through a human–machine interface, and lets engineers send commands to equipment (like valves, pumps, and controllers) to adjust the process. This setup also stores historical data and raises alarms when readings go outside expected ranges, enabling centralized supervision over distributed assets and automated responses when needed. Other options serve different purposes: DNS resolution translates domain names to IP addresses for locating servers on a network; VPN tunneling provides secure remote access into a network; and backup scheduling handles protecting and copying data. None of these focus on monitoring and controlling industrial equipment in real time like SCADA does.

SCADA stands for Supervisory Control and Data Acquisition, and it is used to monitor and control industrial processes across large facilities. It gathers real-time data from sensors and field devices, presents it to operators through a human–machine interface, and lets engineers send commands to equipment (like valves, pumps, and controllers) to adjust the process. This setup also stores historical data and raises alarms when readings go outside expected ranges, enabling centralized supervision over distributed assets and automated responses when needed.

Other options serve different purposes: DNS resolution translates domain names to IP addresses for locating servers on a network; VPN tunneling provides secure remote access into a network; and backup scheduling handles protecting and copying data. None of these focus on monitoring and controlling industrial equipment in real time like SCADA does.