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New ISA-IEC-62443 Practice Questions - ISA-IEC-62443 Pdf Pass Leader

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New ISA-IEC-62443 Practice Questions - ISA-IEC-62443 Pdf Pass Leader

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q50-Q55):NEW QUESTION # 50
What is the primary purpose of Foundational Requirement 1 (FR 1)?
  • A. Respond to security violations.
  • B. Control access to selected devices.
  • C. Control use of selected devices.
  • D. Ensure data confidentiality.
Answer: B
Explanation:
Foundational Requirement 1 (FR 1) in the ISA/IEC 62443 series is titled "Identification and Authentication Control (IAC)". Its purpose is to control access to selected devices by ensuring that only authenticated and authorized users or systems can interact with critical IACS components.
"FR 1 - Identification and Authentication Control (IAC): This foundational requirement ensures that all users and components interacting with the system are uniquely identified and authenticated before access is granted."
- ISA/IEC 62443-3-3:2013, Clause 4.2.1 - FR 1
This foundational layer supports higher-level security goals like use control, confidentiality, and system integrity.
References:
ISA/IEC 62443-3-3:2013 - Clause 4.2.1
ISA/IEC 62443-1-1 - Overview of the 7 Foundational Requirements

NEW QUESTION # 51
Which factor drives the selection of countermeasures?
Available Choices (select all choices that are correct)
  • A. Output from a risk assessment
  • B. Foundational requirements
  • C. System design
  • D. Security levels
Answer: A

NEW QUESTION # 52
What is the definition of "defense in depth" when referring to
Available Choices (select all choices that are correct)
  • A. Using countermeasures that have intrinsic technical depth.
  • B. Requiring a minimum distance requirement between security assets
  • C. Applying multiple countermeasures in a layered or stepwise manner
  • D. Aligning all resources to provide a broad technical gauntlet
Answer: C

NEW QUESTION # 53
What type of attack is characterized by encrypting an organization's data and demanding payment for restoration?
  • A. DDoS attack
  • B. Ransomware
  • C. Malware variant
  • D. Phishing
Answer: B
Explanation:
Ransomware is a type of malicious software (malware) designed to block access to a computer system or data, typically by encrypting files, until a sum of money (ransom) is paid. This form of attack is increasingly targeting industrial automation and control system (IACS) environments due to the critical nature of these systems. Unlike phishing (which tricks users into revealing sensitive information) or DDoS attacks (which disrupt availability), ransomware specifically encrypts data and extorts the victim.
Reference: ISA/IEC 62443-3-2:2020, Annex B; ISA/IEC 62443-1-1:2007, Section 3.2.2; ISA/IEC 62443-2-1:
2009, Section 4.2.3.

NEW QUESTION # 54
What type of security level defines what a component or system is capable of meeting?
Available Choices (select all choices that are correct)
  • A. Target security level
  • B. Capability security level
  • C. Design security level
  • D. Achieved security level
Answer: B

NEW QUESTION # 55
......
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