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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q174-Q179):

NEW QUESTION # 174
What are the four main categories for documents in the ISA-62443 (IEC 62443) series?
Available Choices (select all choices that are correct)

A. People. Processes. Technology, and Training
B. General. Policies and Procedures. System, and Component
C. Assessment. Mitigation. Documentation, and Maintenance
D. End-User, Integrator, Vendor, and Regulator

Answer: B

NEW QUESTION # 175
Which of the following refers to internal rules that govern how an organization protects critical system resources?
Available Choices (select all choices that are correct)

A. Formal guidance
B. Legislation
C. Security policyD- Code of conduct

Answer: C

Explanation:
A security policy refers to internal rules that govern how an organization protects critical system resources, such as industrial control systems (ICS). A security policy defines the objectives, scope, roles, responsibilities, and requirements for securing the ICS environment, as well as the procedures and guidelines for implementing, monitoring, and enforcing the security measures. A security policy also establishes the baseline for assessing and managing the security risks to the ICS, and for ensuring compliance with relevant standards, regulations, and best practices. A security policy is a key component of the ICS security program, and it should be documented, communicated, and reviewed regularly.
The other choices are not correct because:
A). Formal guidance. Formal guidance refers to external sources of information and recommendations that can help an organization improve its ICS security posture, such as standards, frameworks, guidelines, and best practices. Formal guidance is not an internal rule, but rather a reference that can be used to develop, implement, and evaluate the security policy and controls. For example, the ISA/IEC 62443 series of standards provide formal guidance on how to secure ICS from cyber threats1.
B). Legislation. Legislation refers to external laws and regulations that impose legal obligations and penalties on an organization for its ICS security performance, such as the NERC CIP standards for the electric sector2, or the EU NIS Directive for critical infrastructure operators3. Legislation is not an internal rule, but rather a compliance requirement that must be met by the organization. Legislation may also influence the security policy and controls, as the organization needs to align its security objectives and practices with the legal expectations and consequences.
D). Code of conduct. A code of conduct refers to a set of ethical principles and values that guide the behavior and decision-making of an organization and its employees, such as honesty, integrity, respect, and accountability. A code of conduct is not an internal rule for protecting critical system resources, but rather a general norm for conducting business and maintaining a positive reputation. A code of conduct may also support the security policy and culture, as it can foster a sense of responsibility and trust among the ICS stakeholders.
References:
1: ISA/IEC 62443 Standards to Secure Your Industrial Control System
2: NERC Critical Infrastructure Protection Standards
3: EU Network and Information Systems Directive

NEW QUESTION # 176
What is one reason why IACS systems are highly vulnerable to attack?

A. They do not require patches.
B. They are isolated from all networks.
C. They use the latest software updates regularly.
D. They often have unpatched software.

Answer: D

Explanation:
Many Industrial Automation and Control Systems (IACS) are vulnerable because they run legacy software and are rarely patched, due to operational constraints like uptime requirements and fear of system disruption.
"IACS systems are often vulnerable due to the presence of legacy components, limited patching, and prolonged system lifespans without updates."
- ISA/IEC 62443-2-1:2010, Clause 4.4.3 - Patch Management
They are not always isolated (due to remote access, IIoT, etc.), and do not regularly implement the latest updates like IT systems.
References:
ISA/IEC 62443-2-1:2010 - Patch Management
ISA/IEC 62443-2-3:2015 - Patch Assessment and Deployment Challenges

NEW QUESTION # 177
Which of the following is the underlying protocol for Ethernet/IP?
Available Choices (select all choices that are correct)

A. Common Industrial Protocol
B. Highway Addressable Remote Transducer (HART)
C. Building Automation and Control Network (BACnet)
D. Object Linking and Embedding (OLE) for Process Control

Answer: A

Explanation:
Ethernet/IP is an industrial network protocol that adapts the Common Industrial Protocol (CIP) to standard Ethernet. CIP is an object-oriented protocol that provides a unified communication architecture for various industrial automation applications, such as control, safety, security, energy, synchronization and motion, information and network management. CIP defines a set of messages and services for interacting with devices and data on the network, as well as a set of device profiles for consistent implementation of automation functions across different products. Ethernet/IP uses the transport and control protocols of standard Ethernet, such as TCP/IP and IEEE 802.3, to define the features and functions for its lower layers. Ethernet/IP also uses UDP to transport I/O messages and supports various network topologies, such as star, linear, ring and wireless.
Ethernet/IP is one of the leading industrial protocols in the United States and is widely used in a range of industries, such as factory, hybrid and process. Ethernet/IP is managed by ODVA, Inc., a global trade and standards development organization. References:
* EtherNet/IP - Wikipedia
* EtherNet/IP | ODVA Technologies | Industrial Automation

NEW QUESTION # 178
Which is the BEST deployment system for malicious code protection?
Available Choices (select all choices that are correct)

A. IACS protocol converters
B. Application whitelistinq (AWL) OD.
C. Zones and conduits
D. Network segmentation

Answer: B

Explanation:
Application whitelisting (AWL) is a technique that allows only authorized applications to run on a system, and blocks any unauthorized or malicious code from executing. AWL is one of the most effective methods for preventing malware infections and reducing the attack surface of a system. AWL can be implemented at different levels, such as the operating system, the network, or the application itself. AWL is especially useful forindustrial automation and control systems (IACS), which often run on legacy or proprietary platforms that are not compatible with traditional antivirus software or other security solutions. AWL can also help protect IACS from zero-day attacks, which exploit unknown vulnerabilities that have not been patched or detected by security vendors. AWL is recommended by the ISA/IEC 62443 standards as a key component of malicious code protection for IACS. According to the standards, AWL should be applied to all IACS components that support it, and should be configured and maintained according to the security policies and procedures of the organization. AWL should also be complemented by other security measures, such as network segmentation, zones and conduits, and patch management, to provide a defense-in-depth approach to IACS security. References:
* ISA/IEC 62443-3-3:2013, System security requirements and security levels, Section 5.2.3.41
* ISA/IEC 62443-2-1:2010, Establishing an industrial automation and control systems security program, Section 4.3.3.6.42
* ISA/IEC 62443-4-2:2019, Technical security requirements for IACS components, Section 4.2.3.43
* ISA/IEC 62443-3-2:2020, Security risk assessment for system design, Section 7.3.3.44
* ISA/IEC 62443-4-1:2018, Product development requirements, Section 5.2.3.45

NEW QUESTION # 179
......

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Get ISA ISA-IEC-62443 Practice Test For Quick Preparation (2026)

2026 ISA ISA-IEC-62443: ISA/IEC 62443 Cybersecurity Fundamentals Specialist –Reliable Valid Exam Braindumps

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q174-Q179):

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