ISA/IEC 62443 Practice Question: What is a key difference between IEC 62443-2-4 and IEC 62443-4-1? | CyberCertPrep
ISA/IECISA/IEC 62443IEC 62443: Secure Development & Service ProvidersEASYFree question
What is a key difference between IEC 62443-2-4 and IEC 62443-4-1?
A.They are identical standards
B.2-4 addresses service provider/integrator requirements while 4-1 addresses product development requirements
C.2-4 is for IT systems only
D.4-1 is outdated and replaced by 2-4
Why B is correct
IEC 62443-2-4 defines requirements for IACS service providers and integrators, while IEC 62443-4-1 defines requirements for secure product development.
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Where this fits in the ISA/IEC 62443 exam
IEC 62443: Secure Development & Service Providers
Secure development lifecycle per IEC 62443-4-1 and service provider requirements per IEC 62443-2-4.
This question belongs to the "Secure Development & Service Providers" domain, which makes up about 20% of the ISA/IEC 62443 exam.
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When performing a gap analysis against IEC 62443-4-1, what document serves as the primary reference for required practices?