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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Industrial Automation and Control Systems (IACS) Overview | 15% | - Differences between IT and OT security - IACS components, architectures and protocols - Cybersecurity importance in industrial environments |
| Topic 2: Access Control & Identity Management | 15% | - Security policies and procedures - User authentication and authorization - Role-based access control |
| Topic 3: Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Structure and parts of ISA/IEC 62443 standards - Foundational security requirements - Core security principles: CIA triad, defense-in-depth - Zones and conduits model |
| Topic 4: Security Operations & Incident Response | 20% | - Incident handling and response processes - Monitoring, maintenance and continuous improvement - Cybersecurity Management System (CSMS) |
| Topic 5: Industrial Network Security | 30% | - Network segmentation and security architecture - Industrial protocols security - Threats, vulnerabilities and risk assessment |
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NEW QUESTION # 162
Which is the BEST deployment system for malicious code protection?
Available Choices (select all choices that are correct)
Answer: A
NEW QUESTION # 163
Which U.S. Department is responsible for the Chemical Facility Anti-Terrorism Standards (CFATS)?
Answer: D
Explanation:
The Chemical Facility Anti-Terrorism Standards (CFATS) are managed and enforced by the U.S. Department of Homeland Security (DHS), specifically through the Cybersecurity and Infrastructure Security Agency (CISA).
"CFATS is a DHS regulatory program focused on security at high-risk chemical facilities to prevent terrorist exploitation of chemicals of interest."
- Department of Homeland Security, CFATS Program Overview
These standards require facilities to perform vulnerability assessments and implement site security plans, aligning with principles from frameworks like ISA/IEC 62443.
References:
DHS - CFATS Program Summary
ISA/IEC 62443-2-1 - Alignment with U.S. regulatory programs
NEW QUESTION # 164
If a system integrator is designing zones and conduits for an IACS network based on risk assessments, which part of the ISA/IEC 62443 standard guides this process?
Answer: C
Explanation:
ISA/IEC 62443-3-2 provides explicit guidance on performing security risk assessments that directly inform system architecture, including the design of zones and conduits.
Step 1: Purpose of Part 3-2
This part defines how to identify threats, vulnerabilities, and consequences, and how to derive Target Security Levels (SL-T).
Step 2: Zones and conduits linkage
The standard requires that zones be defined based on risk and criticality, and conduits be established to control communications between zones. This architectural outcome is a direct result of the 3-2 risk assessment process.
Step 3: Integrator relevance
System integrators use Part 3-2 to translate risk results into concrete network segmentation and security boundaries.
Step 4: Why other parts do not apply
Other parts address governance, metrics, or product development, not architectural risk-driven design.
NEW QUESTION # 165
Which layer is responsible for error checking and MAC addressing?
Answer: B
Explanation:
In the OSI model, the Data Link layer (Layer 2) is responsible for error detection/correction and for assigning and handling MAC (Media Access Control) addresses, which are unique identifiers for network interfaces.
This layer ensures reliable transmission of data frames between devices on the same local network. The Network layer (Layer 3) handles IP addressing and routing, not MAC addresses.
Reference: ISA/IEC 62443-1-1:2007, Section 3.2.5 (OSI Model), Table 3; ISO/IEC 7498-1:1994 (OSI Reference Model).
NEW QUESTION # 166
Which steps are part of implementing countermeasures?
Available Choices (select all choices that are correct)
Answer: B
Explanation:
According to the ISA/IEC 62443-3-2 standard, implementing countermeasures is one of the steps in the security risk assessment for system design. The standard defines a comprehensive set of engineering measures to guide organizations through the process of assessing the risk of a particular industrial automation and control system (IACS) and identifying and applying security countermeasures to reduce that risk to tolerable levels. The standard recommends the following steps for implementing countermeasures:
Establish the risk tolerance: This step involves determining the acceptable level of risk for the organization and the system under consideration, based on the business objectives, legal and regulatory requirements, and stakeholder expectations. The risk tolerance can be expressed as a target security level (SL-T) for each zone or conduit in the system.
Select common countermeasures: This step involves selecting the appropriate security countermeasures for each zone or conduit, based on the SL-T and the existing security level (SL-A) of the system. The standard provides a list of common countermeasures for each security level, covering the domains of physical security, network security, system security, and application security. The selected countermeasures should be documented and justified in the security risk assessment report. References: ISA/IEC 62443 Cybersecurity Series Designated as IEC Horizontal Standards, Cybersecurity Risk Assessment According to ISA/IEC 62443-
3-2
NEW QUESTION # 167
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