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2025 Perfect 100% Free ISA-IEC-62443–100% Free Exam Questions Answers | ISA/IEC 62443 Cybersecurity Fundamentals Specialist Reliable Practice Questions

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q104-Q109):

NEW QUESTION # 104
Using the risk matrix below, what is the risk of a medium likelihood event with high consequence?

A. Option C
B. Option B
C. Option A
D. Option D

Answer: B

NEW QUESTION # 105
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, portable media, and hard drives
C. LAN, WAN, and hard drive
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 # 106
What is recommended to use between the plant floor and the rest of the company networks?

A. Firewall
B. Switch
C. Hub
D. Router

Answer: A

Explanation:
ISA/IEC 62443 recommends using a firewall to segment and protect the plant floor (Operational Technology or OT network) from the rest of the company's Information Technology (IT) networks. Firewalls enforce security policies by controlling and monitoring traffic, helping to prevent unauthorized access and potential threats from traversing between business and control networks. Hubs and switches do not provide security; routers may offer some basic filtering, but firewalls are explicitly designed for this purpose.
Reference: ISA/IEC 62443-3-3:2013, Section 4.2.3 (Use of network segmentation and firewalls); ISA/IEC
62443-3-2:2020, Section 4.4 (Zones and Conduits).

NEW QUESTION # 107
What are the four documents that belong to the General category of the ISA-62443 (IEC 62443) series?

A. Part 1-1: Terminology, concepts, and models; Part 1-2: Master glossary of terms and definitions; Part 1-
3: System security conformance metrics; and Part 1-4: IACS security lifecycle and use cases
B. Part 1-1: Terminology, concepts, and models; Part 1-2: Master glossary of terms and definitions; Part 1-
3: Security program ratings; and Part 1-4: IACS security lifecycle and use cases
C. Part 1-1: Terminology, concepts, and models; Part 1-2: Master glossary of terms and definitions; Part 1-
3: System security conformance metrics; and Part 1-4: Security program requirements for IACS service providers
D. Part 1-1: Terminology, concepts, and models; Part 1-2: Master glossary of terms and definitions; Part 1-
3: Security technologies for IACS; and Part 1-4: IACS security lifecycle and use cases

Answer: A

Explanation:
The four documents classified under the General category of ISA/IEC 62443 are:
* Part 1-1: Terminology, concepts, and models
* Part 1-2: Master glossary of terms and definitions
* Part 1-3: System security conformance metrics
Reference: ISA/IEC 62443-1-1:2007, Section 4.1.2 ("Document structure and categorization"); 62443 standards overview chart.

NEW QUESTION # 108
Safety management staff are stakeholders of what security program development?
Available Choices (select all choices that are correct)

A. SPRP
B. CSA
C. CSMS
D. ERM

Answer: C

NEW QUESTION # 109
......

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Lucas Taylor Lucas Taylor

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