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ISA ISA-IEC-62443 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Access Control & Identity Management | 15% | - Role-based access control - User authentication and authorization - Security policies and procedures |
| Topic 2: 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 3: Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Foundational security requirements - Structure and parts of ISA/IEC 62443 standards - Zones and conduits model - Core security principles: CIA triad, defense-in-depth |
| Topic 4: Security Operations & Incident Response | 20% | - Monitoring, maintenance and continuous improvement - Incident handling and response processes - Cybersecurity Management System (CSMS) |
| Topic 5: Industrial Network Security | 30% | - Network segmentation and security architecture - Industrial protocols security - Threats, vulnerabilities and risk assessment |
ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:
1. An industrial facility wants to ensure that only authorized systems reach its PLCs while minimizing disruption to time-sensitive control processes. Which type of firewall would BEST suit this need?
A) Unidirectional gateway (data diode)
B) General-purpose software firewall
C) Basic packet filter firewall without protocol awareness
D) IACS-specific firewall with deep packet inspection
2. What does Layer 1 of the ISO/OSI protocol stack provide?
Available Choices (select all choices that are correct)
A) User applications specific to network applications such as reading data registers in a PLC
B) The electrical and physical specifications of the data connection
C) Data encryption, routing, and end-to-end connectivity
D) Framing, converting electrical signals to data, and error checking
3. Which of the following are the critical variables related to access control?
Available Choices (select all choices that are correct)
A) Account management and password strength
B) Reporting and monitoring
C) Account management and monitoring
D) Password strength and change frequency
4. How many maturity levels (ML) are established for evaluation criteria according to ISA/IEC 62443-2-4?
A) 2
B) 5
C) 3
D) 4
5. According to the scheme for cybersecurity profiles, which of the following is true about ISA/IEC 62443 security requirements when creating a security profile?
A) New security requirements can be added freely.
B) Only foundational requirements can be changed.
C) No new requirements are added and existing ones are not modified.
D) Existing security requirements can be modified to fit sector needs.
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: C |
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