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| Section | Weight | Objectives |
|---|---|---|
| Access Control & Identity Management | 15% | - User authentication and authorization - Security policies and procedures - Role-based access control |
| Security Operations & Incident Response | 20% | - Incident handling and response processes - Cybersecurity Management System (CSMS) - Monitoring, maintenance and continuous improvement |
| Industrial Automation and Control Systems (IACS) Overview | 15% | - Cybersecurity importance in industrial environments - Differences between IT and OT security - IACS components, architectures and protocols |
| Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Zones and conduits model - Foundational security requirements - Core security principles: CIA triad, defense-in-depth - Structure and parts of ISA/IEC 62443 standards |
| Industrial Network Security | 30% | - Network segmentation and security architecture - Threats, vulnerabilities and risk assessment - Industrial protocols security |
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NEW QUESTION # 129
Which of the following is an industry sector-specific standard?
Available Choices (select all choices that are correct)
Answer: D
Explanation:
API 1164 is an industry sector-specific standard that provides guidance on the cybersecurity of pipeline supervisory control and data acquisition (SCADA) systems. API stands for American Petroleum Institute, which is the largest U.S. trade association for the oil and natural gas industry. API 1164 was first published in
2004 and revised in 2009 and 2021. The latest version of the standard aligns with the ISA/IEC 62443 series of standards and incorporates the concepts of security levels, zones, and conduits. API 1164 covers the security lifecycle of pipeline SCADA systems, from risk assessment and policy development to implementation and maintenance. The standard also defines roles and responsibilities, security requirements, security controls, and security assessment methods for pipeline SCADA systems.
References:
API 1164: Pipeline SCADA Security, Fourth Edition, September 2021
ISA/IEC 62443 Cybersecurity Fundamentals Specialist Study Guide, Section 2.2.2, Industry Sector-Specific Standards ISA/IEC 62443 Cybersecurity Fundamentals Specialist Exam Specification, Section 2.2.2, Industry Sector- Specific Standards
NEW QUESTION # 130
Which is the PRIMARY responsibility of the network layer of the Open Systems Interconnection (OSI) model?
Available Choices (select all choices that are correct)
Answer: D
Explanation:
The primary responsibility of the network layer of the Open Systems Interconnection (OSI) model is to forward packets, including routing through intermediate routers. The network layer is the third layer from the bottom of the OSI model, and it is responsible for maintaining the quality of the data and passing and transmitting it from its source to its destination. The network layer also assigns logical addresses to devices, such as IP addresses, and uses various routing algorithms to determine the best path for the packets to travel.
The network layer operates on packets, which are units of data that contain the source and destination addresses, as well as the payload. The network layer forwards packets from one node to another, using routers to switch packets between different networks. The network layer also handles host-to-host delivery, which means that it ensures that the packets reach the correct destination host.
The other choices are not correct because:
* B. Gives transparent transfer of data between end users. This is the responsibility of the transport layer, which is the fourth layer from the bottom of the OSI model. The transport layer provides reliable and error-free data transfer between end users, using protocols such as TCP and UDP. The transport layer operates on segments, which are units of data that contain the source and destination port numbers, as well as the payload. The transport layer also handles flow control, congestion control, and multiplexing.
* C. Provides the rules for framing, converting electrical signals to data. This is the responsibility of the data link layer, which is the second layer from the bottom of the OSI model. The data link layer provides the means for transferring data between adjacent nodes on a network, using protocols such as Ethernet and WiFi. The data link layer operates on frames, which are units of data that contain the source and destination MAC addresses, as well as the payload. The data link layer also handles error detection, error correction, and media access control.
* D. Handles the physics of getting a message from one device to another. This is the responsibility of the physical layer, which is the lowest layer of the OSI model. The physical layer provides the means for transmitting bits over a physical medium, such as copper wire, fiber optic cable, or radio waves. The physical layer operates on bits, which are the smallest units of data that can be either 0 or 1. The physical layer also handles modulation, demodulation, encoding, decoding, and synchronization.
References:
* The OSI Model - The 7 Layers of Networking Explained in Plain English1
* Network Layer in OSI Model2
* OSI model3
NEW QUESTION # 131
Which of the following is an element of monitoring and improving a CSMS?
Available Choices (select all choices that are correct)
Answer: B
NEW QUESTION # 132
Whose responsibility is it to determine the level of risk an organization is willing to tolerate?
Available Choices (select all choices that are correct)
Answer: A
NEW QUESTION # 133
Which standard is applied during the Assess phase for risk assessment?
Answer: A
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 # 134
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