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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q94-Q99):

NEW QUESTION # 94
What is the purpose of ICS-CERT Alerts?

A. To notify the owners of critical infrastructure
B. To advertise cybersecurity services
C. To alert of targeted global energy sector threats
D. To inform about hardware upgrades

Answer: A

Explanation:
ICS-CERT (Industrial Control Systems Cyber Emergency Response Team) Alerts are official notifications intended to inform owners and operators of critical infrastructure about vulnerabilities, threats, or incidents relevant to industrial control systems. Their primary purpose is to provide actionable information so that organizations can take necessary steps to protect their IACS environments from evolving cyber risks. While alerts may cover sector-specific threats (including energy), their main audience is critical infrastructure owners and operators.
Reference: ISA/IEC 62443-2-1:2009, Section 6.2.6 ("Incident response and reporting"); CISA ICS-CERT Mission Statement (https://www.cisa.gov/ics).

NEW QUESTION # 95
What is the name of the missing layer in the Open Systems Interconnection (OSI) model shown below?

A. User
B. Transport
C. Protocol
D. Control

Answer: B

Explanation:
The Open Systems Interconnection (OSI) model is a framework that describes the functions of a networking system. The OSI model categorizes the computing functions of the different network components, outlining the rules and requirement needed to support the interoperability of the software and hardware that make up the network1.
The OSI model consists of seven abstraction layers arranged in a top-down order: Physical, Data Link, Network, Transport, Session, Presentation, and Application. The Transport layer is the fourth layer in the OSI model, and it is responsible for ensuring reliable and efficient data transfer between the Network layer and the Session layer2. The Transport layer uses protocols such as Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) to provide end-to-end communication services, such as error detection and correction, flow control, congestion control, and segmentation2.
The image that you sent shows a 3D representation of the OSI model, with the layers stacked on top of each other. The missing layer is the Transport layer, which is represented by a pink box with a white arrow pointing to it. The arrow is labeled "TCP, UDP".
1: What is the OSI Model? 7 Network Layers Explained | Fortinet 2: What is OSI Model | 7 Layers Explained
- GeeksforGeeks

NEW QUESTION # 96
What is the primary purpose of Foundational Requirement 1 (FR 1)?

A. Control use of selected devices.
B. Respond to security violations.
C. Control access to selected devices.
D. Ensure data confidentiality.

Answer: C

Explanation:
Foundational Requirement 1 (FR 1) in the ISA/IEC 62443 series is titled "Identification and Authentication Control (IAC)". Its purpose is to control access to selected devices by ensuring that only authenticated and authorized users or systems can interact with critical IACS components.
"FR 1 - Identification and Authentication Control (IAC): This foundational requirement ensures that all users and components interacting with the system are uniquely identified and authenticated before access is granted."
- ISA/IEC 62443-3-3:2013, Clause 4.2.1 - FR 1
This foundational layer supports higher-level security goals like use control, confidentiality, and system integrity.
References:
ISA/IEC 62443-3-3:2013 - Clause 4.2.1
ISA/IEC 62443-1-1 - Overview of the 7 Foundational Requirements

NEW QUESTION # 97
Which is the PRIMARY reason why Modbus over Ethernet is easy to manaqe in a firewall?
Available Choices (select all choices that are correct)

A. Modbus uses explicit source and destination IP addresses and a sinqle known TCP port.
B. Modbus has no known security vulnerabilities, so firewall rules are simple to implement.
C. Modbus is a proprietary protocol that is widely supported by vendors.
D. Modbus uses a single master to communicate with multiple slaves usinq simple commands.

Answer: A

NEW QUESTION # 98
What does the abbreviation CSMS round in ISA 62443-2-1 represent?
Available Choices (select all choices that are correct)

A. Control System Monitoring System
B. Cyber Security Management System
C. Cyber Security Monitoring System
D. Control System Management System

Answer: B

Explanation:
The abbreviation CSMS stands for Cyber Security Management System in ISA 62443-2-1. This standard defines the elements necessary to establish a CSMS for industrial automation and control systems (IACS) and provides guidance on how to develop those elements123. A CSMS is a collection of policies, procedures, practices, and personnel that are responsible for ensuring the security of IACS throughout their lifecycle24. References: 1: ISA/IEC 62443 Series of Standards - ISA 2: ISA 62443-2-1 - Security for industrial automation and control systems, Part 2-1: Establishing an Industrial Automation and Control Systems Security Program | GlobalSpec 3: IEC 62443-2-1:2010 | IEC Webstore | cyber security, smart city 4: Structuring the ISA/IEC 62443 Standards - ISAGCA

NEW QUESTION # 99
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ISA ISA-IEC-62443 Exam Quick Prep, ISA-IEC-62443 Latest Braindumps Sheet

ISA-IEC-62443 – 100% Free Exam Quick Prep | the Best ISA/IEC 62443 Cybersecurity Fundamentals Specialist Latest Braindumps Sheet

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q94-Q99):

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