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ISA-IEC-62443 Reliable Test Voucher & ISA-IEC-62443 Free Exam

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q41-Q46):

NEW QUESTION # 41
Whose responsibility is it to determine the level of risk an organization is willing to tolerate?
Available Choices (select all choices that are correct)

A. Safety Department
B. Legal Department
C. Operations Department
D. Management

Answer: D

NEW QUESTION # 42
Which of the following is NOT a general class of firewalls?

A. Network monitor
B. Application proxy
C. Stateful inspection
D. Packet filter

Answer: A

Explanation:
Packet filter, application proxy, and stateful inspection are all recognized types or classes of firewalls in both IT and industrial control environments. A network monitor, on the other hand, is not considered a firewall but rather a tool for observing and analyzing network traffic. It does not provide firewall-like controls for blocking or allowing traffic.
Reference: ISA/IEC 62443-3-3:2013, Section 4.2.3.3 ("Types of firewalls"); ISA/IEC 62443-1-1:2007, Section 3.2.6.

NEW QUESTION # 43
Which is one of the PRIMARY goals of providing a framework addressing secure product development life- cycle requirements?

A. Defense-in-depth approach to designing
B. Aligned needs of industrial users
C. Aligned development process
D. Well-documented security policies and procedures

Answer: C

Explanation:
ISA/IEC 62443-4-1 provides a framework for secure product development lifecycle (SDL). One of its primary goals is to ensure that security practices are integrated consistently and systematically throughout the product's development process.
"The objective of this part is to define a secure development lifecycle process that results in a consistent and repeatable approach to building secure products."
- ISA/IEC 62443-4-1:2018, Clause 1 - Scope
While all listed items may contribute to security, the core intent of Part 4-1 is to ensure an aligned, structured development process.
References:
ISA/IEC 62443-4-1:2018 - Clause 1
Clause 4 - SDL Practices and Process Requirements

NEW QUESTION # 44
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) is "Identification and Authentication Control" (IAC). Its primary purpose is to control access to selected devices and systems by ensuring that only authorized individuals or entities can access them. This involves authentication mechanisms, unique IDs, and credential management. It does not primarily deal with data confidentiality or incident response, but with controlling device access.
Reference: ISA/IEC 62443-3-3:2013, Section 4.3.3.1 (FR 1); Table 3 - Foundational Requirements.

NEW QUESTION # 45
Which of the following is an example of separation of duties as a part of system development and maintenance?
Available Choices (select all choices that are correct)

A. Design and implementation are performed by the same team.
B. Developers write and then test their own code.
C. Changes are approved by one party and implemented by another.
D. Configuration settings are made by one party and self-reviewed using a checklist.

Answer: C

Explanation:
Separation of duties is a security principle that aims to prevent fraud, errors, conflicts of interest, or misuse of resources by dividing critical tasks or functions among different people or teams. It is one of the foundational requirements (FRs) of the ISA/IEC 62443 standards for securing industrial automation and control systems (IACSs). According to the ISA/IEC 62443-2-1 standard, separation of duties includes the following system requirements (SRs):
* SR 2.1: Security management policy
* SR 2.2: Personnel security
* SR 2.3: System development and maintenance
* SR 2.4: Incident response and recovery
* SR 2.5: Compliance and review
Among these SRs, the one that is most related to the example of system development and maintenance is SR
2.3. SR 2.3 requires that the IACS shall provide the capability to ensure that the development and maintenance of the system and its components are performed in a secure manner. This means that the IACS should have a mechanism to control the access and authorization of developers, testers, integrators, and maintainers who work on the system and its components. It also means that the IACS should have a mechanism to verify and validate the quality and security of the system and its components before, during, and after the development and maintenance processes.
Therefore, an example of separation of duties as a part of system development and maintenance is that changes are approved by one party and implemented by another. This ensures that the changes are authorized, documented, and reviewed by someone who is not involved in the implementation. This reduces the risk of introducing errors, vulnerabilities, or malicious code into the system and its components.
References:
ISA/IEC 62443-2-1:2010, Security for industrial automation and control systems - Part 2-1: Establishing an industrial automation and control systems security program1 ISA/IEC 62443 Cybersecurity Fundamentals Specialist Certificate Program2 ISA/IEC 62443 Cybersecurity Library3 Using the ISA/IEC 62443 Standards to Secure Your Control Systems4

NEW QUESTION # 46
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However, over the years, organizations have found ISA-IEC-62443 Valid Test Sample that each individual product would require a separate server, a separate set of policies or rules setup, a separate agent to be installed on the ISA-IEC-62443 Test Papers computer system, and a separate set of tasks to inventory the systems all doing similar things.

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