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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q201-Q206):

NEW QUESTION # 201
Which is one of the PRIMARY goals of providing a framework addressing secure product development life-cycle requirements?
Available Choices (select all choices that are correct)

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

Answer: C

Explanation:
One of the primary goals of providing a framework that addresses secure product development lifecycle requirements is to ensure that security policies and procedures are well-documented. This objective is crucial because it establishes a structured and standardized approach to security that is integrated throughout the development process of software or systems. This framework helps in aligning the development process with security best practices, thereby mitigating risks associated with security vulnerabilities. Documentation of security policies and procedures ensures that security considerations are consistently applied and that compliance with relevant standards, such as ISA/IEC 62443, is maintained. This foundational approach supports the overall security posture by embedding security considerations directly into the lifecycle of product development, rather than addressing security as an afterthought.

NEW QUESTION # 202
What is a commonly used protocol for managing secure data transmission over a Virtual Private Network (VPN)?
Available Choices (select all choices that are correct)

A. HTTPS
B. SSH
C. IPSec
D. MPLS

Answer: C

Explanation:
IPSec is a commonly used protocol for managing secure data transmission over a VPN. IPSec stands for Internet Protocol Security and it is a set of standards that define how to encrypt and authenticate data packets that travel between two or more devices over an IP network. IPSec can operate in two modes: transport mode and tunnel mode. In transport mode, IPSec only encrypts the payload of the IP packet, leaving the header intact. In tunnel mode, IPSec encrypts the entire IP packet and encapsulates it in a new IP header. Tunnel mode is more secure and more suitable for VPNs, as it can protect the original source and destination addresses of the IP packet from eavesdropping or spoofing. IPSec uses two main protocols to provide security services: Authentication Header (AH) and Encapsulating Security Payload (ESP). AH provides data integrity and source authentication, but not confidentiality. ESP provides data integrity, source authentication, and confidentiality. IPSec also uses two protocols to establish and manage security associations (SAs), which are the parameters and keys used for encryption and authentication: Internet Key Exchange (IKE) and Internet Security Association and Key Management Protocol (ISAKMP). IKE is a protocol that negotiates and exchanges cryptographic keys between two devices. ISAKMP is a protocol that defines the format and structure of the messages used for key exchange and SA management.
References:
ISA/IEC 62443-3-3:2018, Section 4.2.3.7.1, VPN1
ISA/IEC 62443-4-2:2019, Section 4.2.3.7.1, VPN
ISA/IEC 62443 Cybersecurity Fundamentals Specialist Study Guide, Section 5.3.2, VPN ISA/IEC 62443 Cybersecurity Fundamentals Specialist Exam Specification, Section 5.3.2, VPN

NEW QUESTION # 203
Who is responsible for defining the tolerable residual cybersecurity risk as an input requirement for all activities?

A. Product supplier
B. Integration service provider
C. Maintenance service provider
D. Asset owner

Answer: D

Explanation:
According to the ISA/IEC 62443 series, it is the asset owner's responsibility to determine what level of residual cybersecurity risk is acceptable after mitigation strategies are applied. This value becomes a key input in defining security levels and selecting controls.
"The asset owner is responsible for defining the tolerable residual risk and establishing acceptable security levels based on business impact and risk tolerance."
- ISA/IEC 62443-3-2:2020, Clause 6.4.2 - Risk Evaluation Inputs
This forms the foundation for SL-T (Target Security Level) determination.
References:
ISA/IEC 62443-3-2:2020 - Clause 6.4.2
ISA/IEC 62443-2-1:2010 - Asset owner roles and responsibilities

NEW QUESTION # 204
What are three possible entry points (pathways) that could be used for launching a cyber attack?
Available Choices (select all choices that are correct)

A. LAN, portable media, and wireless
B. LAN, WAN, and hard drive
C. LAN, portable media, and hard drives
D. LAN, power source, and wireless OD.

Answer: A

Explanation:
A cyber attack is an attempt to compromise the confidentiality, integrity, or availability of a computer system or network by exploiting its vulnerabilities. A cyber attack can be launched from various entry points, which are the pathways that allow an attacker to access a target system or network. According to the ISA/IEC
62443-3-2 standard, which defines a method for conducting a security risk assessment for industrial automation and control systems (IACS), some of the possible entry points for a cyber attack are:
* LAN: A local area network (LAN) is a network that connects devices within a limited geographic area, such as a building or a campus. A LAN can be an entry point for a cyber attack if an attacker gains physical or logical access to the network devices, such as switches, routers, firewalls, or servers. An attacker can use various techniques to access a LAN, such as network scanning, spoofing, sniffing, or hijacking. An attacker can also exploit vulnerabilities in the network protocols, services, or applications that run on the LAN. A cyber attack on a LAN can affect the communication and operation of the devices and systems connected to the network, such as IACS.
* Portable media: Portable media are removable storage devices that can be used to transfer data between different systems or devices, such as USB flash drives, CDs, DVDs, or external hard drives. Portable media can be an entry point for a cyber attack if an attacker uses them to introduce malicious code or data into a target system or device. An attacker can use various techniques to infect portable media, such as autorun, social engineering, or physical tampering. An attacker can also exploit vulnerabilities in the operating systems, drivers, or applications that interact with portable media. A cyber attack using portable media can affect the functionality and security of the systems or devices that use them, such as IACS.
* Wireless: Wireless is a technology that enables communication and data transmission without physical wires or cables, such as Wi-Fi, Bluetooth, or cellular networks. Wireless can be an entry point for a cyber attack if an attacker intercepts, modifies, or disrupts the wireless signals or data. An attacker can use various techniques to access wireless networks or devices, such as cracking, jamming, or eavesdropping. An attacker can also exploit vulnerabilities in the wireless protocols, standards, or encryption methods. A cyber attack on wireless can affect the availability and reliability of the wireless communication and data transmission, such as IACS.
Therefore, LAN, portable media, and wireless are three possible entry points that could be used for launching a cyber attack. References:
* Cybersecurity Risk Assessment According to ISA/IEC 62443-3-21
* ISA/IEC 62443 Series of Standards2

NEW QUESTION # 205
Which standard is recognized as part of the NIST CSF Informative References?

A. ISO 9001
B. PCI DSS
C. ISA/IEC 62443
D. COBIT 5

Answer: C

Explanation:
ISA/IEC 62443 is listed as an "Informative Reference" in the NIST Cybersecurity Framework (CSF). The NIST CSF provides cross-references to a number of standards and guidelines, including ISO/IEC 27001, NIST SP 800-53, and ISA/IEC 62443, to help organizations implement cybersecurity controls using globally recognized frameworks tailored for industrial and critical infrastructure environments.
Reference: NIST Cybersecurity Framework v1.1, Appendix A (Informative References Table); NIST CSF online informative references mapping tool.

NEW QUESTION # 206
......

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Ace Your ISA ISA-IEC-62443 Exam With Web-based Practice Tests

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q201-Q206):

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