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ISA ISA-IEC-62443 Exam Syllabus Topics:

SectionObjectives
ISA/IEC 62443 Framework Overview- Structure and purpose of IEC 62443 standards
- Key terminology and concepts (zones, conduits, security levels)
Introduction to Industrial Cybersecurity- Overview of IT vs OT security concepts
- Fundamentals of cybersecurity in industrial environments
Risk and Security Management- Risk assessment principles
- Security lifecycle management in industrial systems
Policies, Procedures, and Governance- Compliance and governance considerations
- Security policies for industrial control systems
Industrial Network and System Security- Network segmentation and architecture security
- Asset identification and protection

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q149-Q154):

NEW QUESTION # 149
Which term refers to legally enforceable rules created by government bodies or authorized organizations?

Answer: B

Explanation:
In cybersecurity governance, the term regulations refers to legally binding and enforceable rules that are established by government authorities or regulatory agencies. These differ from standards (which are often voluntary) and frameworks (which offer guidance).
"Regulations are legal requirements issued by government entities and must be followed. Noncompliance can result in legal penalties, fines, or operational restrictions."
- ISA/IEC 62443-1-1:2007, Glossary and Definitions
ISA/IEC 62443 standards are often used to support compliance with regulations but are themselves not regulations unless adopted into law.
References:
ISA/IEC 62443-1-1:2007 - Glossary: "Regulation"
ISA/IEC 62443-2-1 - Section on Regulatory Compliance


NEW QUESTION # 150
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: B


NEW QUESTION # 151
Which U.S. Department is responsible for the Chemical Facility Anti-Terrorism Standards (CFATS)?

Answer: D

Explanation:
The Chemical Facility Anti-Terrorism Standards (CFATS) program is overseen and enforced by the U.S.
Department of Homeland Security (DHS). This program is designed to identify and regulate high-risk chemical facilities to ensure they have security measures in place to reduce the risk associated with hazardous chemicals, including risks posed by cyber threats.
Reference: U.S. Department of Homeland Security (DHS), Official CFATS Documentation; ISA/IEC 62443-
2-1:2009, Section 4.2.6 (Reference to U.S. regulations).


NEW QUESTION # 152
What is recommended to use between the plant floor and the rest of the company networks?

Answer: B

Explanation:
ISA/IEC 62443 recommends using a firewall to segment and protect the plant floor (Operational Technology or OT network) from the rest of the company's Information Technology (IT) networks. Firewalls enforce security policies by controlling and monitoring traffic, helping to prevent unauthorized access and potential threats from traversing between business and control networks. Hubs and switches do not provide security; routers may offer some basic filtering, but firewalls are explicitly designed for this purpose.
Reference: ISA/IEC 62443-3-3:2013, Section 4.2.3 (Use of network segmentation and firewalls); ISA/IEC
62443-3-2:2020, Section 4.4 (Zones and Conduits).


NEW QUESTION # 153
Which of the following provides the overall conceptual basis in the design of an appropriate security program?
Available Choices (select all choices that are correct)

Answer: D

Explanation:
The reference model provides the overall conceptual basis in the design of an appropriate security program. It defines the common terminology, concepts, and models that can be used by all stakeholders responsible for IACS security. The reference model describes the general characteristics of IACS, the typical threats and vulnerabilities, the security lifecycle phases, and the security levels. The reference model also introduces the concepts of zones and conduits, which are used to group and isolate assets with similar security requirements and to control the communication between them. References https://www.cisco.com/c/en/us/td/docs/solutions
/Verticals/IoT_Security_Lab/IEC62443_WP.pdf
https://www.cisco.com/c/en/us/td/docs/solutions/Verticals/IoT_Security_Lab/IEC62443_WP.pdf


NEW QUESTION # 154
......

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