Expert Answers to ISA Exam ISA-IEC-62443 Questions

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Cybersecurity ISA/IEC 62443 Cybersecurity Fundamentals Specialist

ISA/IEC 62443 Cybersecurity Fundamentals Specialist

Last Update May 10, 2026
Total Questions : 227

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Questions 2

Which of the following activities is NOT listed under the “Patch Testing” phase in the asset owner requirements?

Options:

Notification

File authenticity

Removal procedure

Qualification and verification

Discussion 0

Questions 3

Which is a PRIMARY reason why network security is important in IACS environments?

Available Choices (select all choices that are correct)

Options:

PLCs are inherently unreliable.

PLCs are programmed using ladder logic.

PLCs use serial or Ethernet communications methods.

PLCs under cyber attack can have costly and dangerous impacts.

Discussion 0

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Questions 4

What is TRUE regarding safety systems?

Options:

No dedicated malware has been found targeting safety systems specifically.