ISA/IECISA/IEC 62443IEC 62443: System & Component Security RequirementsEASYFree question

In IEC 62443-4-2, requirement identifiers carry prefixes indicating the component type to which they apply. The prefix 'EDR' on a requirement signals that it applies specifically to:

A.Engineering data repositories
B.External data routers
C.Encrypted data records
D.Embedded devices such as PLCs and field controllers

Why D is correct

EDR stands for Embedded Device Requirement and applies to special-purpose devices running embedded software, such as PLCs, RTUs, and IEDs. The other 4-2 component-specific prefixes are HDR, NDR, and SAR.

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In IEC 62443-4-2, requirement identifiers carry prefixes indicating the component type to which they apply. The prefix 'EDR' on a requirement signals that it applies specifically to:

Where this fits in the ISA/IEC 62443 exam

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In IEC 62443-4-2, requirement identifiers carry prefixes indicating the component type to which they apply. The prefix 'EDR' on a requirement signals that it applies specifically to:

Where this fits in the ISA/IEC 62443 exam

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