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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

1. What are the connections between security zones called?
Available Choices (select all choices that are correct)

A) Firewalls
B) Pathways
C) Conduits
D) Tunnels

2. What is the definition of "defense in depth" when referring to cybersecurity?

A) Using countermeasures that have intrinsic technical depth
B) Aligning all resources to provide a broad technical gauntlet
C) Requiring a minimum distance requirement between security assets
D) Applying multiple countermeasures in a layered or stepwise manner

3. Which steps are included in the ISA/IEC 62443 assess phase?
Available Choices (select all choices that are correct)

A) Cybersecurity requirements specification and allocation of IACS assets to zones and conduits
B) Allocation of IACS assets to zones and conduits, and detailed cyber risk assessment
C) Detailed cyber risk assessment and cybersecurity maintenance, monitoring, and management of change
D) Cybersecurity requirements specification and detailed cyber risk assessment

4. Which is the PRIMARY objective when defining a security zone?
Available Choices (select all choices that are correct)

A) All assets in the zone must be physically located in the same area.
B) All assets in the zone must share the same security requirements.
C) All assets in the zone must be from the same vendor.
D) All assets in the zone must be at the same level in the Purdue model.

5. Which is a PRIMARY reason why network security is important in IACS environments?
Available Choices (select all choices that are correct)

A) PLCs use serial or Ethernet communications methods.
B) PLCs are programmed using ladder logic.
C) PLCs under cyber attack can have costly and dangerous impacts.
D) PLCs are inherently unreliable.

Solutions: