Question 1

What is the primary system within Level 4 of the ISA95 functional layers?

Options :

A : DCS

B : HMI

C : ERP

D : SCADA

Answer: C

Question 2

Which of the following can serve as a barrier device in a segmented network?

Options :

A : Domain controller

B : Router

C : Unmanaged switch

D : VPN

Answer: B

Question 3

What approach is recommended for identifying threats in a detailed cyber risk assessment?

Options :

A : Using a generic list of potential threats

B : Summarizing threats by grouping sources, assets, and entry points into classes

C : Ignoring threats that are deemed low probability

D : Focusing only on threats from external sources

Answer: B

Question 4

Which of the following is an element of monitoring and improving a CSMS?

Options :

A : Significant changes in identified risk round in periodic reassessments

B : Increase in staff training and security awareness

C : Review of system logs and other key data files

D : Restricted access to the industrial control system to an as-needed basis

Answer: C

Question 5

What is the first step in the cyber risk assessment process according to ISA 62443-3-2?

Options :

A : Identify Threats

B : Determine Consequence & Impact

C : Establish Zones and Conduits

D : Identify System Under Consideration (SUC)

Answer: D