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ISA ISA-IEC-62443 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Introduction to Industrial Cybersecurity | - Overview of IT vs OT security concepts - Fundamentals of cybersecurity in industrial environments |
| Topic 2: Policies, Procedures, and Governance | - Security policies for industrial control systems - Compliance and governance considerations |
| Topic 3: Industrial Network and System Security | - Network segmentation and architecture security - Asset identification and protection |
| Topic 4: Risk and Security Management | - Security lifecycle management in industrial systems - Risk assessment principles |
| Topic 5: ISA/IEC 62443 Framework Overview | - Structure and purpose of IEC 62443 standards - Key terminology and concepts (zones, conduits, security levels) |
ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:
1. Which is the PRIMARY reason why Modbus over Ethernet is easy to manaqe in a firewall?
Available Choices (select all choices that are correct)
A) Modbus is a proprietary protocol that is widely supported by vendors.
B) Modbus uses explicit source and destination IP addresses and a sinqle known TCP port.
C) Modbus uses a single master to communicate with multiple slaves usinq simple commands.
D) Modbus has no known security vulnerabilities, so firewall rules are simple to implement.
2. Why is OPC Classic considered firewall unfriendly?
A) It is an obsolete communication standard.
B) It allows use of only port 80.
C) It works with control devices from different manufacturers.
D) It dynamically assigns several ports.
3. What port number is used by MODBUS TCP/IP for communication?
A) 502
B) 443
C) 80
D) 21
4. What does the System under Consideration (SuC) include in the context of ISA/IEC 62443 risk assessment?
A) A defined collection of IACS and related assets
B) External vendor devices and business zone assets only
C) Only physical assets within an existing plant
D) Only business zone assets
5. In what step of the development process of the CSMS is "Establish purpose, organizational support, resources, and scope" taken care of?
A) Conduct an initial/high-level risk assessment.
B) Initiate the CSMS program.
C) Establish policy, organization, and awareness.
D) Create reference architecture.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: A | Question # 5 Answer: B |
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