ISA/IECISA/IEC 62443IEC 62443: Standards Framework & Series OverviewEASYFree question
Which of the following best describes the relationship between ISA-62443 and IEC 62443?
- A.ISA-62443 is the ISA-published version of the same standard adopted internationally as IEC 62443
- B.They are completely unrelated standards
- C.ISA-62443 has been deprecated and replaced by IEC 62443
- D.IEC 62443 is a subset of ISA-62443
Why A is correct
ISA-62443 and IEC 62443 refer to the same standards. The ISA99 committee developed the standards, which were then adopted by the IEC for international use. Both designations are used interchangeably.
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