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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q101-Q106):

NEW QUESTION # 101
What are the four main categories for documents in the ISA-62443 (IEC 62443) series?
Available Choices (select all choices that are correct)

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

Answer: A

Explanation:
The ISA/IEC 62443 series of standards is organized into four main categories for documents, based on the topics and perspectives that they cover. These categories are: General, Policies and Procedures, System, and Component12.
* General: This category covers topics that are common to the entire series, such as terms, concepts, models, and overview of the standards1. For example, ISA/IEC 62443-1-1 defines the terminology, concepts, and models for industrial automation and control systems (IACS) security3.
* Policies and Procedures: This category focuses on methods and processes associated with IACS security, such as risk assessment, system design, security management, and security program development1. For example, ISA/IEC 62443-2-1 specifies the elements of an IACS security management system, which defines the policies, procedures, and practices to manage the security of IACS4.
* System: This category is about requirements at the system level, such as security levels, security zones, security lifecycle, and technical security requirements1. For example, ISA/IEC 62443-3-3 specifies the system security requirements and security levels for zones and conduits in an IACS5.
* Component: This category provides detailed requirements for IACS products, such as embedded devices, network devices, software applications, and host devices1. For example, ISA/IEC 62443-4-2 specifies the technical security requirements for IACS components, such as identification and authentication, access control, data integrity, and auditability.
The other options are not valid categories for documents in the ISA/IEC 62443 series of standards, as they either do not reflect the structure and scope of the standards, or they mix different aspects of IACS security that are covered by different categories. For example, end-user, integrator, vendor, and regulator are not categories for documents, but rather roles or stakeholders that are involved in IACS security. Assessment, mitigation, documentation, and maintenance are not categories for documents, but rather activities or phases that are part of the IACS security lifecycle. People, processes, technology, and training are not categories for documents, but rather elements or dimensions that are essential for IACS security.
References:
* ISA/IEC 62443 Series of Standards - ISA1
* IEC 62443 - Wikipedia2
* ISA/IEC 62443-1-1: Concepts and models3
* ISA/IEC 62443-2-1: Security management system4
* ISA/IEC 62443-3-3: System security requirements and security levels5
* ISA/IEC 62443-4-2: Technical security requirements for IACS components

NEW QUESTION # 102
Which of the following attacks relies on a human weakness to succeed?
Available Choices (select all choices that are correct)

A. Denial-of-service
B. Spoofing
C. Escalation-of-privileges
D. Phishing

Answer: D

Explanation:
Phishing is a type of cyberattack that relies on a human weakness to succeed. Phishing is the practice of sending fraudulent emails or other messages that appear to come from a legitimate source, such as a bank, a government agency, or a trusted person, in order to trick the recipient into revealing sensitive information, such as passwords, credit card numbers, or personal details, or into clicking on malicious links or attachments that may install malware or ransomware on their devices. Phishing is a common and effective way of compromising the security of industrial automation and control systems (IACS), as it can bypass technical security measures by exploiting the human factor. Phishing can also be used to gain access to the IACS network, to conduct reconnaissance, to launch further attacks, or to cause damage or disruption to the IACS operations. The ISA/IEC 62443 series of standards recognize phishing as a potential threat vector for IACS and provide guidance and best practices on how to prevent, detect, and respond to phishing attacks. Some of the recommended countermeasures include:
Educating and training the IACS staff on how to recognize and avoid phishing emails and messages, and how to report any suspicious or malicious activity.
Implementing and enforcing policies and procedures for email and message security, such as using strong passwords, verifying the sender's identity, and not opening or clicking on unknown or unsolicited links or attachments.
Applying technical security controls, such as antivirus software, firewalls, spam filters, encryption, and authentication, to protect the IACS devices and network from phishing attacks.
Monitoring and auditing the IACS network and devices for any signs of phishing attacks, such as anomalous or unauthorized traffic, connections, or activities, and taking appropriate actions to contain and mitigate the impact of any incidents. References:
ISA/IEC 62443-1-1:2009, Security for industrial automation and control systems - Part 1-1: Terminology, concepts and models1 ISA/IEC 62443-2-1:2009, Security for industrial automation and control systems - Part 2-1: Establishing an industrial automation and control systems security program2 ISA/IEC 62443-2-4:2015, Security for industrial automation and control systems - Part 2-4: Security program requirements for IACS service providers3 ISA/IEC 62443-3-3:2013, Security for industrial automation and control systems - Part 3-3: System security requirements and security levels4 ISA/IEC 62443-4-2:2019, Security for industrial automation and control systems - Part 4-2: Technical security requirements for IACS components5

NEW QUESTION # 103
What does IACS stand for?

A. Industrial Associations and Control Systems
B. International Automated and Control Systems
C. Industrial Automation and Control Systems
D. Integrated Automation and Control Systems

Answer: C

Explanation:
IACS stands for "Industrial Automation and Control Systems." The ISA/IEC 62443 series defines IACS as systems used for industrial automation, process control, and related functions. These include systems such as Distributed Control Systems (DCS), SCADA systems, and PLCs. The term encompasses all electronic systems, networks, and equipment used to automate industrial processes.
Reference: ISA/IEC 62443-1-1:2007, Section 3.2.1 (Definitions and Abbreviations); Glossary entry for
"IACS."

NEW QUESTION # 104
Which standard is applied during the Assess phase for risk assessment?

A. ISA/IEC 62443-3-1
B. ISA/IEC 62443-2-1
C. ISA/IEC 62443-3-3
D. ISA/IEC 62443-3-2

Answer: D

Explanation:
ISA/IEC 62443-3-2 specifically describes the methodology for conducting risk assessments within industrial automation and control systems (IACS). This part of the standard provides guidance on identifying risks, assigning Security Levels, and making design decisions during the Assess phase of the IACS Cybersecurity Lifecycle.
Reference: ISA/IEC 62443-3-2:2020, Section 4 ("Cybersecurity risk assessment for system design").

NEW QUESTION # 105
How many maturity levels (ML) are established for evaluation criteria according to ISA/IEC 62443-2-4?

A. 0
B. 1
C. 2
D. 3

Answer: C

Explanation:
ISA/IEC 62443-2-4 defines four Maturity Levels (ML1 to ML4) for evaluating the processes and practices of service providers (such as integrators and maintenance organizations). These maturity levels assess the consistency, documentation, and effectiveness of processes, ranging from "Initial" (ML1) to "Improving" (ML4).
Reference: ISA/IEC 62443-2-4:2015, Section 5.2 ("Process Maturity Levels"), Table 3.

NEW QUESTION # 106
......

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q101-Q106):

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