CyberCertPrepOT Security FundamentalsOT Fundamentals: ICS/SCADA BasicsEASYFree question
An ICS security architect places PLCs and DCS controllers performing basic regulatory control at a particular tier of the Purdue model. Which level holds these basic-control devices?
- A.Level 0
- B.Level 1
- C.Level 3
- D.Level 5
Why B is correct
Level 1 (basic control) houses the controllers such as PLCs and DCS controllers that execute the regulatory and sequencing logic acting on Level 0 devices. Level 2 above it provides supervisory monitoring of these controllers.
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