Online Access Free ISA-IEC-62443 Practice Test

Why is it important to document the results of the initial/high-level risk assessment?

• A.To avoid stakeholder involvement
• B.To skip future assessments
• C.To establish a baseline
• D.To reduce communication

What does IACS stand for?

• A.International Automated and Control Systems
• B.Industrial Associations and Control Systems
• C.Industrial Automation and Control Systems
• D.Integrated Automation and Control Systems

Which statement is TRUE reqardinq application of patches in an IACS environment?
Available Choices (select all choices that are correct)

• A.Patches should be applied based on the organization's risk assessment.
• B.Patches never should be applied in an IACS environment.
• C.Patches should be applied as soon as they are available.
• D.Patches should be applied within one month of availability.

What type of malware disrupted an emergency shutdown capability in safety systems?

• A.Zeus
• B.Triton or Trisis
• C.Stuxnet
• D.WannaCry

What does Layer 1 of the ISO/OSI protocol stack provide?
Available Choices (select all choices that are correct)

• A.User applications specific to network applications such as reading data registers in a PLC
• B.Framing, converting electrical signals to data, and error checking
• C.Data encryption, routing, and end-to-end connectivity
• D.The electrical and physical specifications of the data connection