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

exams ISA-IEC-62443 V1 ISA-IEC-62443 exam 0 Comments

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

Available Choices (select all choices that are correct)
A . PLCs are inherently unreliable.
B. PLCs are programmed using ladder logic.
C. PLCs use serial or Ethernet communications methods.
D. PLCs under cyber attack can have costly and dangerous impacts.

Answer: D