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| Section | Weight | Objectives |
|---|---|---|
| Industrial Network Security | 30% | - Network segmentation and security architecture - Threats, vulnerabilities and risk assessment - Industrial protocols security |
| Industrial Automation and Control Systems (IACS) Overview | 15% | - IACS components, architectures and protocols - Cybersecurity importance in industrial environments - Differences between IT and OT security |
| Access Control & Identity Management | 15% | - Security policies and procedures - Role-based access control - User authentication and authorization |
| Security Operations & Incident Response | 20% | - Incident handling and response processes - Monitoring, maintenance and continuous improvement - Cybersecurity Management System (CSMS) |
| Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Structure and parts of ISA/IEC 62443 standards - Foundational security requirements - Zones and conduits model - Core security principles: CIA triad, defense-in-depth |
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NEW QUESTION # 69
Which of the following ISA-99 (IEC 62443) Reference Model levels is named correctly?
Available Choices (select all choices that are correct)
Answer: D
Explanation:
The ISA-99/IEC 62443 standards for industrial automation and control systems security categorize network and system components into different levels based on their operational context. The correct name from the provided options for one of these levels is Level 3: Operations Management. This level typically encompasses systems that manage production control systems, including batch management, production scheduling, and overall factory operations. The other levels listed, such as Supervisory Control and Process, refer to different aspects of the system but are not named correctly in the options provided. Level 1 is correctly referred to as
"Basic Control," and Level 4 should be "Business Logistics" instead of "Process."
NEW QUESTION # 70
Security Levels (SLs) are broken down into which three types?
Answer: C
Explanation:
In the ISA/IEC 62443 framework, Security Levels (SLs) are categorized into three distinct types:
Target SL (SL-T) - The security level required based on risk assessment Capability SL (SL-C) - The level a component or system can support Achieved SL (SL-A) - The level actually implemented in the system
"Three types of security levels are defined:
Target (SL-T): derived from risk analysis
Capability (SL-C): supported by the product or system
Achieved (SL-A): implemented and operational in the environment"
- ISA/IEC 62443-1-1:2007, Clause 3.2.4 and Table 3
This classification supports gap analysis and helps asset owners ensure their system meets both required and feasible security levels.
References:
ISA/IEC 62443-1-1:2007 - Clause 3.2.4
ISA/IEC 62443-3-2:2020 - SL classification and usage in risk analysis
NEW QUESTION # 71
If a U.S. federal agency must comply with mandatory cybersecurity requirements under law, which document would they be required to follow?
Answer: B
Explanation:
For U.S. federal agencies, compliance with cybersecurity requirements is mandated under the Federal Information Security Modernization Act (FISMA). Under this act, agencies are required by law to adhere to NIST Federal Information Processing Standards (FIPS).
From NIST documentation and FISMA:
"Federal agencies must comply with the standards and guidelines developed by NIST, including FIPS 199 and FIPS 200, to ensure appropriate levels of information security." NIST FIPS documents are mandatory for federal agencies, while NIST Special Publications (e.g., SP 800-
171) are recommended or apply to non-federal entities (like contractors).
Incorrect Options:
B). ISA/IEC 62443 - While globally recognized, ISA/IEC 62443 is not mandated by U.S. federal law.
C). EU Cyber Resilience Act - Applies only to European Union entities.
D). NIST SP 800-171 - Applies to defense contractors, not directly to federal agencies.
References:
FISMA (Federal Information Security Modernization Act)
NIST FIPS 199, FIPS 200
ISA/IEC 62443 Study Guide (Context: Applicability and comparison with NIST standards)
NEW QUESTION # 72
Which of the following is the underlying protocol for Ethernet/IP?
Available Choices (select all choices that are correct)
Answer: C
NEW QUESTION # 73
Which Security Level (SL) would be MOST appropriate for a system that requires protection against attackers with high motivation and extended resources using sophisticated means?
Answer: D
Explanation:
SL4 is the highest Security Level defined in ISA/IEC 62443 and is intended to defend against:
Highly motivated attackers
Those with extensive resources
Capable of using sophisticated techniques
"SL4 provides protection against intentional violation using sophisticated means with extended resources, high motivation, and IACS-specific knowledge."
- ISA/IEC 62443-3-3:2013, Table 3 - Security Level Definitions
This level is typically reserved for critical infrastructure or national security environments.
References:
ISA/IEC 62443-3-3:2013 - Table 3
ISA/IEC 62443-1-1 - SL Overview and Definitions
NEW QUESTION # 74
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