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| Section | Objectives |
|---|---|
| Topic 1: Risk Analysis | - Risk management fundamentals - Risk and vulnerability analysis techniques - Cybersecurity risk assessment concepts |
| Topic 2: How Cyberattacks Happen | - Case studies of industrial cyber incidents - Cyber threats and attack vectors - Vulnerabilities in industrial systems |
| Topic 3: Addressing Risk with Security Policy, Organization, and Awareness | - Security awareness and training - Organizational security roles and responsibilities - Security policies and procedures |
| Topic 4: Understanding the Current Industrial Security Environment | - Convergence of IT and OT - Security challenges in OT environments - Current state of industrial control systems security |
| Topic 5: Creating A Security Program | - Developing a long-term security program - Defining information security policy - Security management organization |
| Topic 6: Addressing Risk with Implementation Measures | - Zones and conduits model - Industrial network architecture and segmentation - Defense-in-depth strategy - Access control principles |
| Topic 7: Validating or Verifying the Security of Systems | - Continuous improvement of security measures - Security validation and verification techniques - Auditing and compliance |
| Topic 8: Addressing Risk with Selected Security Counter Measures | - Patch management - Firewalls and network security devices - Virtual Private Networks (VPNs) - Anti-virus and endpoint protection |
| Topic 9: Monitoring and Improving the CSMS | - Continuous monitoring of IACS cybersecurity - Incident detection and response - Security lifecycle management |
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NEW QUESTION # 107
Which of the following is a trend that has caused a significant percentage of security vulnerabilities?
Available Choices (select all choices that are correct)
Answer: B
Explanation:
One of the trends that has increased the security risks for industrial automation and control systems (IACS) is the integration of these systems with business and enterprise systems, such asenterprise resource planning (ERP), manufacturing execution systems (MES), and supervisory control and data acquisition (SCADA). This integration exposes the IACS to the same threats and vulnerabilities that affect the business and enterprise systems, such as malware, denial-of-service attacks, unauthorized access, and data theft. Moreover, the integration also creates new attack vectors and pathways for adversaries to compromise the IACS, such as through remote access, wireless networks, or third-party devices. Therefore, the integration of IACS with business and enterprise systems is a trend that has caused a significant percentage of security vulnerabilities. References: ISA/IEC 62443 Standards to Secure Your Industrial Control System, page 1-2.
NEW QUESTION # 108
If a U.S. federal agency must comply with mandatory cybersecurity requirements under law, which document would they be required to follow?
Answer: D
Explanation:
For U.S. federal agencies, compliance with cybersecurity requirements is mandated under the Federal Information Security Modernization Act (FISMA). Under this act, agencies are required by law to adhere to NIST Federal Information Processing Standards (FIPS).
From NIST documentation and FISMA:
"Federal agencies must comply with the standards and guidelines developed by NIST, including FIPS 199 and FIPS 200, to ensure appropriate levels of information security." NIST FIPS documents are mandatory for federal agencies, while NIST Special Publications (e.g., SP 800-
171) are recommended or apply to non-federal entities (like contractors).
Incorrect Options:
B). ISA/IEC 62443 - While globally recognized, ISA/IEC 62443 is not mandated by U.S. federal law.
C). EU Cyber Resilience Act - Applies only to European Union entities.
D). NIST SP 800-171 - Applies to defense contractors, not directly to federal agencies.
References:
FISMA (Federal Information Security Modernization Act)
NIST FIPS 199, FIPS 200
ISA/IEC 62443 Study Guide (Context: Applicability and comparison with NIST standards)
NEW QUESTION # 109
How many security levels are in the ISASecure certification program?
Available Choices (select all choices that are correct)
Answer: C
Explanation:
The ISASecure certification program, aligned with the ISA/IEC 62443 standards, defines three distinct security levels that categorize the robustness of industrial control systems against known cybersecurity threats. These levels are designed to provide a scalable approach to securing industrial automation and control systems, with each level offering a higher degree of security. The levels are typically identified as SL1 (Security Level 1), SL2 (Security Level 2), and SL3 (Security Level 3), each addressing increasingly stringent security capabilities and resilience against cyber attacks.
NEW QUESTION # 110
To which category of the ISA-62443 (IEC 62443) series does the document titled "Patch management in the IACS environment" belong?
Answer: D
Explanation:
The ISA/IEC 62443 series organizes documents into categories: General, Policies and Procedures, System, and Component. The document titled "Patch management in the IACS environment" is part of the Policies and Procedures group (specifically, ISA/IEC 62443-2-3). This group addresses processes, procedures, and organizational measures for cybersecurity in industrial automation and control systems (IACS), including topics like patch management, which deals with evaluating, testing, and installing updates or patches to reduce vulnerabilities in control systems.
Reference: ISA/IEC 62443-2-3:2015, Introduction and Scope; ISA/IEC 62443-1-1:2007, Section 4.1.2.
NEW QUESTION # 111
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 # 112
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