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ISA-IEC-62443 Certification Exam Questions in 3 User-Friendly Formats

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ISA-IEC-62443 Certification Exam Questions in 3 User-Friendly Formats

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q169-Q174):NEW QUESTION # 169
Which is the PRIMARY objective when defining a security zone?
Available Choices (select all choices that are correct)
  • A. All assets in the zone must share the same security requirements.
  • B. All assets in the zone must be from the same vendor.
  • C. All assets in the zone must be at the same level in the Purdue model.
  • D. All assets in the zone must be physically located in the same area.
Answer: A

NEW QUESTION # 170
What impact do increasing cybercrime attacks have?
  • A. They affect suppliers of essential services.
  • B. They primarily target personal devices.
  • C. They focus solely on financial institutions.
  • D. They lead to improved cybersecurity measures.
Answer: A
Explanation:
Increasing cybercrime attacks have a significant impact on suppliers of essential services, including those in energy, water, transportation, and manufacturing. ISA/IEC 62443 and related critical infrastructure guidance highlight that attackers are increasingly targeting organizations whose disruption can have widespread societal consequences. While cybercrime can drive organizations to improve cybersecurity, the main documented impact is the risk to essential services and infrastructure.
Reference: ISA/IEC 62443-1-1:2007, Section 4.4; NIST CSF, Section 1.0.

NEW QUESTION # 171
What is a major reason for maintaining an asset inventory baseline in Configuration Management (SP Element 2)?
  • A. To ensure physical access control
  • B. To enforce user authentication policies
  • C. To detect security anomalies in event management
  • D. To document IACS architecture
Answer: D
Explanation:
SP Element 2 in ISA/IEC 62443-2-1 focuses on Configuration Management, with the asset inventory baseline as a foundational requirement.
Step 1: Purpose of an inventory baseline
The inventory baseline documents all hardware, software, firmware, and configuration items that make up the IACS. This establishes a known, trusted state of the system.
Step 2: Architecture visibility
By maintaining this baseline, the asset owner gains a clear and accurate understanding of the IACS architecture, including system components, versions, and dependencies.
Step 3: Why other options are incorrect
Physical access control and user authentication are addressed in different SP Elements. Event management detects anomalies, but it relies on the inventory baseline rather than replacing it.
Thus, the primary reason is to document IACS architecture.

NEW QUESTION # 172
What is the purpose of ISO/IEC 15408 (Common Criteria)?
Available Choices (select all choices that are correct)
  • A. To describe what constitutes a secure product
  • B. To describe a process for risk management
  • C. To define a product development evaluation methodology
  • D. To define a security management organization
Answer: C
Explanation:
ISO/IEC 15408, also known as the Common Criteria for Information Technology Security Evaluation, is an international standard that provides a framework for evaluating the security of IT products and systems. The purpose of the standard is to define a common set of requirements for the security functions and assurance measures of IT products and systems, and to establish a common methodology for conducting security evaluations. The standard allows users to specify their security needs and expectations in a Security Target (ST), which may be based on one or more Protection Profiles (PPs) that define security requirements for a class of products or systems. Vendors can then implement or claim compliance with the ST or PPs, and have their products or systems evaluated by independent testing laboratories against the security criteria defined in the standard. The standard also defines a scale of Evaluation Assurance Levels (EALs) that indicate the degree of confidence in the security of the evaluated product or system. The standard is intended to facilitate the development, procurement, and use of secure IT products and systems, and to promote the recognition and acceptance of evaluation results across different countries and regions. References:
ISO/IEC 15408-1:2009 - Common Criteria Evaluation for IT Security - Nemko1 Common Criteria - Wikipedia2 ISO/IEC Standard 15408 - ENISA3

NEW QUESTION # 173
As related to IACS Maintenance Service Providers, when do maintenance activities generally start?
  • A. During the design phase
  • B. After the handover of the solution
  • C. At the beginning of the project
  • D. Before the handover of the solution
Answer: B
Explanation:
In the context of ISA/IEC 62443, maintenance activities by IACS Maintenance Service Providers generally begin after the solution (such as a control system or automation project) is handed over to the asset owner.
This marks the transition from project (installation and commissioning) to operational maintenance, which includes patching, updating, and other support activities as part of the system lifecycle.
Reference: ISA/IEC 62443-2-4:2015, Section 4.3.3 ("Service provider maintenance activities after handover").

NEW QUESTION # 174
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