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ISA ISA-IEC-62443 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Security Fundamentals & ISA/IEC 62443 Framework20%- Structure and parts of ISA/IEC 62443 standards
- Zones and conduits model
- Foundational security requirements
- Core security principles: CIA triad, defense-in-depth
Topic 2: Industrial Network Security30%- Industrial protocols security
- Threats, vulnerabilities and risk assessment
- Network segmentation and security architecture
Topic 3: Access Control & Identity Management15%- Security policies and procedures
- User authentication and authorization
- Role-based access control
Topic 4: Industrial Automation and Control Systems (IACS) Overview15%- Differences between IT and OT security
- IACS components, architectures and protocols
- Cybersecurity importance in industrial environments
Topic 5: Security Operations & Incident Response20%- Incident handling and response processes
- Cybersecurity Management System (CSMS)
- Monitoring, maintenance and continuous improvement

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q28-Q33):

NEW QUESTION # 28
In which layer is the physical address assigned?
Available Choices (select all choices that are correct)

Answer: C


NEW QUESTION # 29
Which service does an Intrusion Detection System (IDS) provide?
Available Choices (select all choices that are correct)

Answer: B


NEW QUESTION # 30
Which is a commonly used protocol for managing secure data transmission on the Internet?
Available Choices (select all choices that are correct)

Answer: D


NEW QUESTION # 31
Which of the following is an industry sector-specific standard?
Available Choices (select all choices that are correct)

Answer: C


NEW QUESTION # 32
Which is a PRIMARY reason why network security is important in IACS environments?
Available Choices (select all choices that are correct)

Answer: B

Explanation:
Network security is important in IACS environments because PLCs, or programmable logic controllers, are devices that control physical processes and equipment in industrial settings. PLCs under cyber attack can have costly and dangerous impacts, such as disrupting production, damaging equipment, compromising safety, and harming the environment. Therefore, network security is essential to protect PLCs and other IACS components from unauthorized access, modification, or disruption. The other choices are not primary reasons why network security is important in IACS environments. PLCs are not inherently unreliable, but they can be affected by environmental factors, such as temperature, humidity, and electromagnetic interference. PLCs are programmed using ladder logic, which is a graphical programming language that resembles electrical schematics. PLCs use serial or Ethernet communications methods, depending on the type and age of the device, to communicate with other IACS components, such as human-machine interfaces (HMIs), supervisory control and data acquisition (SCADA) systems, and distributed control systems (DCSs). References:
ISA/IEC 62443 Standards to Secure Your Industrial Control System training course1 ISA/IEC 62443 Cybersecurity Fundamentals Specialist Study Guide2 Using the ISA/IEC 62443 Standard to Secure Your Control Systems3


NEW QUESTION # 33
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