ISA/IECISA/IEC 62443IEC 62443: Zones, Conduits & Security LevelsEASYFree question

In a power plant, the turbine control zone has SL-T of 3. What does this mean?

A.The zone needs basic password protection
B.The zone only needs physical locks
C.The zone must be protected against sophisticated cyberattacks with moderate resources
D.The zone requires no digital security

Why C is correct

SL-T 3 means the zone must withstand sophisticated attacks using moderate resources, IACS-specific knowledge, and moderate motivation.

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In a power plant, the turbine control zone has SL-T of 3. What does this mean?

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In a power plant, the turbine control zone has SL-T of 3. What does this mean?

Where this fits in the ISA/IEC 62443 exam

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