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  1. Home
  2. ISA Certification
  3. ISA-IEC-62443 Exam
  4. ISA.ISA-IEC-62443.v2026-10-28.q147 Dumps
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Question 36

What is the PRIMARY goal of the IACS Security Program (SP) requirements according to ISA/IEC 62443-2-
1?

Correct Answer: A
The primary objective of the IACS Security Program, as defined in ISA/IEC 62443-2-1, is to establish a structured and sustainable approach for the mitigation of cybersecurity risks throughout the IACS lifecycle.
"The purpose of the IACS security program is to manage and mitigate risk associated with cybersecurity threats. It defines policies, procedures, and practices to reduce the likelihood and impact of security incidents."
- ISA/IEC 62443-2-1:2010, Clause 4.1 - Security Program Overview
The standard clearly distinguishes between risk mitigation and risk elimination - the latter being infeasible in industrial environments.
References:
ISA/IEC 62443-2-1:2010 - Clause 4.1
ISA/IEC 62443-2-1 - Security management and governance objectives
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Question 37

Which of the following is NOT listed as a potential consequence of compromising IACS according to the ISA99 Committee scope?

Correct Answer: B
The ISA99 Committee (which developed ISA/IEC 62443) defines the scope and impact of IACS cybersecurity incidents in terms of negative consequences.
Step 1: Recognized consequences
The standard identifies consequences such as:
* Financial losses
* Environmental damage
* Endangerment of public or worker safety
* Loss of proprietary or sensitive information
Step 2: Purpose of defining consequences
These consequences justify why IACS cybersecurity must prioritize availability, integrity, and safety in addition to confidentiality.
Step 3: Why increased product sales is excluded
"Increased product sales" is not a negative consequence and is not mentioned anywhere in the ISA99 scope as a result of a cybersecurity compromise.
Therefore, the correct answer is Increased product sales.
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Question 38

Which term refers to legally enforceable rules created by government bodies or authorized organizations?

Correct Answer: B
In cybersecurity governance, the term regulations refers to legally binding and enforceable rules that are established by government authorities or regulatory agencies. These differ from standards (which are often voluntary) and frameworks (which offer guidance).
"Regulations are legal requirements issued by government entities and must be followed. Noncompliance can result in legal penalties, fines, or operational restrictions."
- ISA/IEC 62443-1-1:2007, Glossary and Definitions
ISA/IEC 62443 standards are often used to support compliance with regulations but are themselves not regulations unless adopted into law.
References:
ISA/IEC 62443-1-1:2007 - Glossary: "Regulation"
ISA/IEC 62443-2-1 - Section on Regulatory Compliance
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Question 39

In what step of the development process of the CSMS is "Establish purpose, organizational support, resources, and scope" taken care of?

Correct Answer: A
The first step in the Cyber Security Management System (CSMS) development process is to "Initiate the CSMS program," which involves establishing its purpose, obtaining organizational support, allocating resources, and defining the program's scope. These foundational activities are required to ensure that the program is properly structured and supported before detailed risk assessments or architecture planning are performed.
Reference: ISA/IEC 62443-2-1:2009, Section 5.1 ("Initiate the CSMS program").
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Question 40

Which of the following is a trend that has caused a significant percentage of security vulnerabilities?
Available Choices (select all choices that are correct)

Correct Answer: D
One of the trends that has increased the security risks for industrial automation and control systems (IACS) is the integration of these systems with business and enterprise systems, such asenterprise resource planning (ERP), manufacturing execution systems (MES), and supervisory control and data acquisition (SCADA). This integration exposes the IACS to the same threats and vulnerabilities that affect the business and enterprise systems, such as malware, denial-of-service attacks, unauthorized access, and data theft. Moreover, the integration also creates new attack vectors and pathways for adversaries to compromise the IACS, such as through remote access, wireless networks, or third-party devices. Therefore, the integration of IACS with business and enterprise systems is a trend that has caused a significant percentage of security vulnerabilities. References: ISA/IEC 62443 Standards to Secure Your Industrial Control System, page 1-2.
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