ISA/IECISA/IEC 62443IEC 62443: Zones, Conduits & Security LevelsEASYFree question

A water treatment plant groups all PLCs controlling the filtration process into one security zone. What is the primary reason?

A.They use the same vendor
B.They were installed at the same time
C.They are in the same building
D.They share common security requirements and communicate frequently

Why D is correct

Grouping assets into zones is based on shared security requirements, common risk profiles, and communication patterns.

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A water treatment plant groups all PLCs controlling the filtration process into one security zone. What is the primary reason?

Where this fits in the ISA/IEC 62443 exam

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A water treatment plant groups all PLCs controlling the filtration process into one security zone. What is the primary reason?

Where this fits in the ISA/IEC 62443 exam

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