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Quiz 2026 ISA-IEC-62443: ISA/IEC 62443 Cybersecurity Fundamentals Specialist Lat

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Quiz 2026 ISA-IEC-62443: ISA/IEC 62443 Cybersecurity Fundamentals Specialist Lat

Posted at 2/19/2026 02:24:36      View：48 | Replies：0        Print      Only Author   [Copy Link] 1#
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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q83-Q88):NEW QUESTION # 83
What is the purpose of ISO/IEC 15408 (Common Criteria)?
Available Choices (select all choices that are correct)
  • A. To define a product development evaluation methodology
  • B. To describe a process for risk management
  • C. To define a security management organization
  • D. To describe what constitutes a secure product
Answer: A
Explanation:
ISO/IEC 15408, also known as the Common Criteria for Information Technology Security Evaluation, is an international standard that provides a framework for evaluating the security of IT products and systems. The purpose of the standard is to define a common set of requirements for the security functions and assurance measures of IT products and systems, and to establish a common methodology for conducting security evaluations. The standard allows users to specify their security needs and expectations in a Security Target (ST), which may be based on one or more Protection Profiles (PPs) that define security requirements for a class of products or systems. Vendors can then implement or claim compliance with the ST or PPs, and have their products or systems evaluated by independent testing laboratories against the security criteria defined in the standard. The standard also defines a scale of Evaluation Assurance Levels (EALs) that indicate the degree of confidence in the security of the evaluated product or system. The standard is intended to facilitate the development, procurement, and use of secure IT products and systems, and to promote the recognition and acceptance of evaluation results across different countries and regions. References:
ISO/IEC 15408-1:2009 - Common Criteria Evaluation for IT Security - Nemko1 Common Criteria - Wikipedia2 ISO/IEC Standard 15408 - ENISA3

NEW QUESTION # 84
If a system integrator is designing zones and conduits for an IACS network based on risk assessments, which part of the ISA/IEC 62443 standard guides this process?
  • A. Part 3-2: Security risk assessment for system design
  • B. Part 4-1: Secure product development lifecycle requirements
  • C. Part 1-3: System security conformance metrics
  • D. Part 2-1: Establishing an IACS security program
Answer: A
Explanation:
ISA/IEC 62443-3-2 provides explicit guidance on performing security risk assessments that directly inform system architecture, including the design of zones and conduits.
Step 1: Purpose of Part 3-2
This part defines how to identify threats, vulnerabilities, and consequences, and how to derive Target Security Levels (SL-T).
Step 2: Zones and conduits linkage
The standard requires that zones be defined based on risk and criticality, and conduits be established to control communications between zones. This architectural outcome is a direct result of the 3-2 risk assessment process.
Step 3: Integrator relevance
System integrators use Part 3-2 to translate risk results into concrete network segmentation and security boundaries.
Step 4: Why other parts do not apply
Other parts address governance, metrics, or product development, not architectural risk-driven design.

NEW QUESTION # 85
Which of the following is the BEST reason for periodic audits?
Available Choices (select all choices that are correct)
  • A. To confirm audit procedures
  • B. To adhere to a published or approved schedule
  • C. To meet regulations
  • D. To validate that security policies and procedures are performing
Answer: D
Explanation:
Periodic audits are an essential part of the ISA/IEC 62443 cybersecurity standards, as they help to verify the effectiveness and compliance of the security program. According to the ISA/IEC 62443-2-1 standard, periodic audits should be conducted to evaluate the following aspects1:
* The security policies and procedures are consistent with the security requirements and objectives of the organization
* The security policies and procedures are implemented and enforced in accordance with the security program
* The security policies and procedures are reviewed and updated regularly to reflect changes in the threat landscape, the IACS environment, and the business needs
* The security performance indicators and metrics are measured and reported to the relevant stakeholders
* The security incidents and vulnerabilities are identified, analyzed, and resolved in a timely manner
* The security awareness and training programs are effective and aligned with the security roles and responsibilities of the personnel
* The security audits and assessments are conducted by qualified and independent auditors
* The security audit and assessment results are documented and communicated to the appropriate parties
* The security audit and assessment findings and recommendations are addressed and implemented in a prioritized and systematic way Periodic audits are not only a means to meet regulations or adhere to a schedule, but also a way to validate that the security policies and procedures are performing as intended and achieving the desired security outcomes. Periodic audits also help to identify gaps and weaknesses in the security program and provide opportunities for improvement and enhancement. References: Periodic audits are an essential part of the ISA/IEC 62443 cybersecurity
* standards, as they help to verify the effectiveness and compliance of the security program. According to the ISA/IEC 62443-2-1 standard, periodic audits should be conducted to evaluate the following aspects1:
* The security policies and procedures are consistent with the security requirements and objectives of the organization
* The security policies and procedures are implemented and enforced in accordance with the security program
* The security policies and procedures are reviewed and updated regularly to reflect changes in the threat landscape, the IACS environment, and the business needs
* The security performance indicators and metrics are measured and reported to the relevant stakeholders
* The security incidents and vulnerabilities are identified, analyzed, and resolved in a timely manner
* The security awareness and training programs are effective and aligned with the security roles and responsibilities of the personnel
* The security audits and assessments are conducted by qualified and independent auditors
* The security audit and assessment results are documented and communicated to the appropriate parties
* The security audit and assessment findings and recommendations are addressed and implemented in a prioritized and systematic way Periodic audits are not only a means to meet regulations or adhere to a schedule, but also a way to validate that the security policies and procedures are performing as intended and achieving the desired security outcomes. Periodic audits also help to identify gaps and weaknesses in the security program and provide opportunities for improvement and enhancement. References:

NEW QUESTION # 86
Which of the following is an activity that should trigger a review of the CSMS?
Available Choices (select all choices that are correct)
  • A. Organizational restructuring
  • B. New technical controls
  • C. Security incident exposing previously unknown risk.
  • D. Budgeting
Answer: A,B,C
Explanation:
According to the ISA/IEC 62443-2-1 standard, a review of the CSMS should be triggered by any changes that affect the cybersecurity risk of the industrial automation and control system (IACS), such as new technical controls, organizational restructuring, or security incidents1. Budgeting is not a trigger for CSMS review, unless it impacts the cybersecurity risk level or the CSMS itself2. References: 1: ISA/IEC 62443-2-1:2010, Section 4.3.3.3 2: A Practical Approach to Adopting the IEC 62443 Standards, ISAGCA Blog3

NEW QUESTION # 87
What change was introduced in the second edition (2024) of ISA-62443-2-1 compared to the first edition (2010)?
  • A. Introduction of a new PDCA cycle framework
  • B. Elimination of duplication of ISMS requirements
  • C. Removal of supply chain security considerations
  • D. Focus only on individual system components rather than overall system
Answer: B
Explanation:
The second edition (2024) of ISA/IEC 62443-2-1 introduced a significant structural improvement by eliminating duplication of Information Security Management System (ISMS) requirements. The first edition (2010) contained content that overlapped substantially with ISO/IEC 27001-style ISMS controls, leading to redundancy and unnecessary implementation burden.
In the updated edition, ISA clarified that 62443-2-1 is not intended to replace a general-purpose ISMS, but rather to extend and specialize it for Industrial Automation and Control Systems (IACS). As a result, duplicated ISMS clauses were removed or streamlined, and the focus shifted to IACS-specific risks, operational realities, and lifecycle concerns.
This change improves:
* Compatibility with existing enterprise ISMS implementations
* Clarity of roles between IT security governance and OT security management
* Practical adoption by asset owners operating both IT and OT environments Importantly, supply chain security, lifecycle management, and organizational governance were not removed.
Instead, they were better aligned and referenced to avoid redundancy. The PDCA model remains implicit but was not newly introduced in 2024.
Thus, the defining change is the elimination of duplicated ISMS requirements, making Option B correct.

NEW QUESTION # 88
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