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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Access Control & Identity Management | 15% | - Role-based access control - Security policies and procedures - User authentication and authorization |
| Topic 2: Industrial Network Security | 30% | - Industrial protocols security - Network segmentation and security architecture - Threats, vulnerabilities and risk assessment |
| Topic 3: Security Operations & Incident Response | 20% | - Cybersecurity Management System (CSMS) - Monitoring, maintenance and continuous improvement - Incident handling and response processes |
| Topic 4: Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Foundational security requirements - Core security principles: CIA triad, defense-in-depth - Zones and conduits model - Structure and parts of ISA/IEC 62443 standards |
| Topic 5: Industrial Automation and Control Systems (IACS) Overview | 15% | - IACS components, architectures and protocols - Cybersecurity importance in industrial environments - Differences between IT and OT security |
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質問 # 111
Which is a role of the application layer?
Available Choices (select all choices that are correct)
正解：A
質問 # 112
Which of the following refers to internal rules that govern how an organization protects critical system resources?
Available Choices (select all choices that are correct)
正解：B
解説：
A security policy refers to internal rules that govern how an organization protects critical system resources, such as industrial control systems (ICS). A security policy defines the objectives, scope, roles, responsibilities, and requirements for securing the ICS environment, as well as the procedures and guidelines for implementing, monitoring, and enforcing the security measures. A security policy also establishes the baseline for assessing and managing the security risks to the ICS, and for ensuring compliance with relevant standards, regulations, and best practices. A security policy is a key component of the ICS security program, and it should be documented, communicated, and reviewed regularly.
The other choices are not correct because:
* A. Formal guidance. Formal guidance refers to external sources of information and recommendations that can help an organization improve its ICS security posture, such as standards, frameworks, guidelines, and best practices. Formal guidance is not an internal rule, but rather a reference that can be used to develop, implement, and evaluate the security policy and controls. For example, the ISA/IEC
62443 series of standards provide formal guidance on how to secure ICS from cyber threats1.
* B. Legislation. Legislation refers to external laws and regulations that impose legal obligations and penalties on an organization for its ICS security performance, such as the NERC CIP standards for the electric sector2, or the EU NIS Directive for critical infrastructure operators3. Legislation is not an internal rule, but rather a compliance requirement that must be met by the organization. Legislation may also influence the security policy and controls, as the organization needs to align its security objectives and practices with the legal expectations and consequences.
* D. Code of conduct. A code of conduct refers to a set of ethical principles and values that guide the behavior and decision-making of an organization and its employees, such as honesty, integrity, respect, and accountability. A code of conduct is not an internal rule for protecting critical system resources, but rather a general norm for conducting business and maintaining a positive reputation. A code of conduct may also support the security policy and culture, as it can foster a sense of responsibility and trust among the ICS stakeholders.
References:
1: ISA/IEC 62443 Standards to Secure Your Industrial Control System
2: NERC Critical Infrastructure Protection Standards
3: EU Network and Information Systems Directive
質問 # 113
Using the risk matrix below, what is the risk of a medium likelihood event with high consequence?
正解：D
解説：
According to the ISA/IEC 62443 Cybersecurity Fundamentals, the risk matrix is a tool used to assess the risk of a particular event. The risk matrix is divided into three categories: likelihood, consequence, and risk. The likelihood is the probability that an event will occur, the consequence is the impact that the event will have, and the risk is the combination of the two. In this case, the risk of a medium likelihood event with high consequence is a high risk, as shown by the red cell in the matrix. References:
ISA/IEC 62443 Cybersecurity Fundamentals
[ISA/IEC 62443 Cybersecurity Certificate Program]
[Cybersecurity Library]
[Using the ISA/IEC 62443 Standard to Secure Your Control Systems]
質問 # 114
What is the name of the missing layer in the Open Systems Interconnection (OSI) model shown below?
正解：B
質問 # 115
Under User Access Control (SP Element 6), which of the following is included in USER 1 - Identification and Authentication?
正解：D
解説：
SP Element 6 in ISA/IEC 62443-2-1 addresses User Access Control, ensuring that only authorized users can access IACS resources.
Step 1: Definition of USER 1
USER 1 corresponds to Identification and Authentication Control (IAC), the first foundational requirement. It focuses on verifying the identity of users before granting access.
Step 2: Password protection
Password mechanisms are a fundamental form of user authentication and are explicitly included under identification and authentication requirements.
Step 3: Why other options are incorrect
Mutual authentication applies to system-to-system authentication. Backup restoration and incident handling belong to different SP Elements.
Step 4: Security intent
By enforcing password protection, the asset owner ensures accountability, traceability, and prevention of unauthorized access.
Therefore, the correct answer is Password protection.
質問 # 116
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P.S.Fast2testがGoogle Driveで共有している無料の2026 ISA ISA-IEC-62443ダンプ：https://drive.google.com/open?id=1JGY0fpJqVnun1zfuyzds-Tbv0fNCumdY