CyberCertPrepOT Security FundamentalsOT Fundamentals: ICS/SCADA BasicsEASYFree question
In a classic SCADA topology, the central computer that polls outstations, issues commands, and consolidates incoming telemetry for operators is referred to by which term?
- A.Master terminal unit
- B.Remote terminal unit
- C.Intelligent electronic device
- D.Field transmitter
Why A is correct
The Master Terminal Unit (MTU) is the central node that initiates communication with remote units, gathers their data, and forwards operator commands. The RTUs are the polled outstations at the field sites.
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