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ISA ISA-IEC-62443 Exam Syllabus Topics:

SectionWeightObjectives
Security Fundamentals & ISA/IEC 62443 Framework20%- Zones and conduits model
- Structure and parts of ISA/IEC 62443 standards
- Core security principles: CIA triad, defense-in-depth
- Foundational security requirements
Access Control & Identity Management15%- Security policies and procedures
- User authentication and authorization
- Role-based access control
Security Operations & Incident Response20%- Monitoring, maintenance and continuous improvement
- Incident handling and response processes
- Cybersecurity Management System (CSMS)
Industrial Automation and Control Systems (IACS) Overview15%- IACS components, architectures and protocols
- Cybersecurity importance in industrial environments
- Differences between IT and OT security
Industrial Network Security30%- Threats, vulnerabilities and risk assessment
- Industrial protocols security
- Network segmentation and security architecture

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

1. Which of the following protocols is mentioned as being commonly used in control systems?

A) FTP
B) Modbus TCP
C) HTTP
D) SMTP


2. The Risk Analysis category contains background information that is used where?
Available Choices (select all choices that are correct)

A) Only the Assessment element
B) Many other elements in the CSMS
C) (Elements external to the CSMS
D) Only the Risk ID element


3. Which is a PRIMARY reason why network security is important in IACS environments?
Available Choices (select all choices that are correct)

A) PLCs are programmed using ladder logic.
B) PLCs use serial or Ethernet communications methods.
C) PLCs are inherently unreliable.
D) PLCs under cyber attack can have costly and dangerous impacts.


4. How can Modbus be secured?

A) By using a VPN
B) By firewall
C) By encrypting all data packets
D) By limiting user access


5. What does Foundational Requirement 6 (FR 6) - Timely Response to Events (TRE) require?

A) Control access to information
B) Notify the proper authority about security violations
C) Protect against unauthorized operation
D) Ensure adequate responses to network resource requests


Solutions:

Question # 1
Answer: B
Question # 2
Answer: B
Question # 3
Answer: D
Question # 4
Answer: B
Question # 5
Answer: B

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