A complex SCADA system has ______ levels?
2025
A complex SCADA system has ______ levels?
Answer: D. 4 — A SCADA (Supervisory Control and Data Acquisition) system uses a hierarchical 4-level architecture to monitor and control industrial processes efficiently.…
- A.
6
- B.
5
- C.
3
- D.
4
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Correct answer: D
A SCADA (Supervisory Control and Data Acquisition) system uses a hierarchical 4-level architecture to monitor and control industrial processes efficiently.
They are -
Field level (sensors, actuators)
Control level (RTUs/PLCs)
Supervisory level (SCADA servers, HMI)
Enterprise level (management systems, data analysis)
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