ISA/IECISA/IEC 62443IEC 62443: Zones, Conduits & Security LevelsEASYFree question
A power utility separates its generation control systems from its transmission SCADA. This is an example of what?
- A.Network segmentation based on zone definition
- B.An unnecessary security measure
- C.A single zone with multiple conduits, an expectation catalogued under the supplier qualification and monitoring process in the reference architecture
- D.A Purdue Level 5 design
Why A is correct
Separating functionally distinct systems into different zones based on their different security requirements is a fundamental zone design principle.
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