ISA/IEC 62443 Practice Question: An HMI workstation built on a general-purpose Windows operating... | CyberCertPrep
ISA/IECISA/IEC 62443IEC 62443: System & Component Security RequirementsEASYFree question
An HMI workstation built on a general-purpose Windows operating system is being certified. Which IEC 62443-4-2 requirement family is the principal one applied to it?
A.HDR
B.NDR
C.EDR
D.SAR
Why A is correct
HDR (Host Device Requirements) target components running on general-purpose operating systems with broad OS services, which describes a typical Windows-based HMI. The HMI also satisfies the common CRs, but its device-class-specific provisions come from HDR.
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Where this fits in the ISA/IEC 62443 exam
IEC 62443: System & Component Security Requirements
Foundational requirements FR1-FR7 from IEC 62443-3-3 and component requirements from IEC 62443-4-2.
This question belongs to the "System & Component Security Requirements" domain, which makes up about 20% of the ISA/IEC 62443 exam.
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