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ISA ISA-IEC-62443 Exam Syllabus Topics:

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

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q34-Q39):

NEW QUESTION # 34
Which is an important difference between IT systems and IACS?
Available Choices (select all choices that are correct)

Answer: B


NEW QUESTION # 35
Which layer in the Open Systems Interconnection (OSI) model would include the use of the File Transfer
Protocol (FTP)?
Available Choices (select all choices that are correct)

Answer: C


NEW QUESTION # 36
Which is the PRIMARY responsibility of the network layer of the Open Systems Interconnection (OSI)
model?
Available Choices (select all choices that are correct)

Answer: C


NEW QUESTION # 37
As related to IACS Maintenance Service Providers, when do maintenance activities generally start?

Answer: C

Explanation:
Maintenance service activities typically begin after the system is deployed and handed over to the asset owner. This is aligned with the Operation and Maintenance phase of the IACS lifecycle.
"Maintenance service providers typically become responsible for cybersecurity-related activities after the asset owner takes ownership of the system, following handover."
- ISA/IEC 62443-2-4:2015, Clause 4.2.3 - Transition and Handover
Prior to handover, integrators and product suppliers manage the system. Maintenance providers take over only post-commissioning.
References:
ISA/IEC 62443-2-4:2015 - Clause 4.2.3
ISA/IEC 62443-1-1 - IACS lifecycle phases


NEW QUESTION # 38
What is the purpose of ICS-CERT Alerts?

Answer: D

Explanation:
ICS-CERT (Industrial Control Systems Cyber Emergency Response Team) issues alerts to inform critical infrastructure owners and operators about newly discovered vulnerabilities, threats, and mitigation strategies.
"ICS-CERT Alerts provide timely information to critical infrastructure owners and operators concerning current security issues, vulnerabilities, and exploits."
- ICS-CERT Advisory Documentation (now under CISA)
Alerts may be sector-wide or vendor-specific, and are part of the U.S. Department of Homeland Security's proactive cyber defense strategy.
Clarification of Options:
Not specific to the energy sector only (D is too narrow)
Not promotional in nature (eliminates A and B)
References:
ICS-CERT Alert Guidance (now under CISA)
ISA/IEC 62443-2-1 - External threat awareness


NEW QUESTION # 39
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