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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Industrial Network Security | 30% | - Industrial protocols security - Network segmentation and security architecture - Threats, vulnerabilities and risk assessment |
| Topic 2: Access Control & Identity Management | 15% | - User authentication and authorization - Security policies and procedures - Role-based access control |
| Topic 3: Security Operations & Incident Response | 20% | - Incident handling and response processes - Cybersecurity Management System (CSMS) - Monitoring, maintenance and continuous improvement |
| Topic 4: Industrial Automation and Control Systems (IACS) Overview | 15% | - Differences between IT and OT security - IACS components, architectures and protocols - Cybersecurity importance in industrial environments |
| Topic 5: Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Structure and parts of ISA/IEC 62443 standards - Zones and conduits model - Foundational security requirements - Core security principles: CIA triad, defense-in-depth |
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NEW QUESTION # 21
What is the name of the missing layer in the Open Systems Interconnection (OSI) model shown below?
Answer: D
NEW QUESTION # 22
How many element groups are in the "Addressing Risk" CSMS category?
Available Choices (select all choices that are correct)
Answer: B
Explanation:
The "Addressing Risk" CSMS category consists of three element groups: Security Policy, Organization and Awareness; Selected Security Countermeasures; and Implementation of Security Program1. These element groups cover the aspects of defining the security objectives, roles and responsibilities, policies and procedures, awareness and training, security countermeasures selection and implementation, and security program execution and maintenance1. The "Addressing Risk" CSMS category aims to reduce the security risk to an acceptable level by applying appropriate security measures to the system under consideration (SuC)
1. References: 1: ISA/IEC 62443-2-1: Security for industrial automation and control systems: Establishing an industrial automation and control systems security program
NEW QUESTION # 23
If an asset owner wants to improve their organization's ability to respond during a cyberattack, which of the following activities would be MOST appropriate to implement?
Answer: C
Explanation:
ISA/IEC 62443 emphasizes preparedness and coordinated response as part of incident handling and response requirements.
Step 1: Purpose of tabletop exercises
Tabletop exercises simulate cyber incidents and require participants to practice decision-making, communication, escalation, and coordination without impacting live systems.
Step 2: Alignment with SP Element 7
SP Element 7 focuses on incident handling and response. Tabletop exercises directly validate these processes and identify gaps before a real incident occurs.
Step 3: Why other options are less effective for response readiness
Password hygiene improves prevention, not response. Architecture workshops build awareness, not reaction capability. Operator anomaly drills focus on detection, not coordinated response.
Step 4: Operational benefit
ISA/IEC 62443 stresses that response effectiveness depends on people and processes being exercised in advance.
Thus, tabletop exercises are the most appropriate activity.
NEW QUESTION # 24
Which of the following activities is NOT listed under the "Patch Testing" phase in the asset owner requirements?
Answer: A
Explanation:
According to ISA/IEC 62443-2-3, patch testing involves several tasks to ensure the patch is safe and effective before deployment. These include:
File authenticity verification
Notification of applicable systems/users
Qualification and verification testing
However, a "removal procedure" is not listed as a standard activity under patch testing - although rollback planning might be a best practice, it is not specifically listed in the test phase.
"Patch testing activities include verification of patch authenticity, notification to relevant stakeholders, and qualification testing in a representative environment."
- ISA/IEC 62443-2-3:2015, Clause 6.1.2 - Patch Testing and Validation
References:
ISA/IEC 62443-2-3:2015 - Clause 6.1.2
ISA/IEC 62443-2-1 - Operational patch planning
NEW QUESTION # 25
Which analysis method is MOST frequently used as an input to a security risk assessment?
Available Choices (select all choices that are correct)
Answer: B
Explanation:
A Process Hazard Analysis (PHA) is a systematic and structured method of identifying and evaluating the potential hazards and risks associated with an industrial process. A PHA can help to identify the possible causes and consequences of undesired events, such as equipment failures, human errors, cyberattacks, natural disasters, etc. A PHA can also provide recommendations for reducing the likelihood and severity of such events, as well as improving the safety and security of the process. A PHA is one of the most frequently used analysis methods as an input to a security risk assessment, as it can help to identify the assets, threats, vulnerabilities, and impacts related to the process, and provide a basis for determining the security risk level and the appropriate security countermeasures. A PHA is also a requirement of the ISA/IEC 62443 standard, as part of the security program development and implementation phase12. References: 1: ISA/IEC 62443-2-1:
Security for industrial automation and control systems: Establishing an industrial automation and control systems security program 2: ISA/IEC 62443-3-2: Security for industrial automation and control systems:
Security risk assessment for system design
NEW QUESTION # 26
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