PASS GUARANTEED QUIZ ISA - ISA-IEC-62443 - UPDATED EXAM ISA/IEC 62443 CYBERSECURITY FUNDAMENTALS SPECIALIST QUESTIONS FEE

Pass Guaranteed Quiz ISA - ISA-IEC-62443 - Updated Exam ISA/IEC 62443 Cybersecurity Fundamentals Specialist Questions Fee

Pass Guaranteed Quiz ISA - ISA-IEC-62443 - Updated Exam ISA/IEC 62443 Cybersecurity Fundamentals Specialist Questions Fee

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q17-Q22):

NEW QUESTION # 17
What type of security level defines what a component or system is capable of meeting?
Available Choices (select all choices that are correct)

  • A. Achieved security level
  • B. Target security level
  • C. Design security level
  • D. Capability security level

Answer: D


NEW QUESTION # 18
Which statement is TRUE regarding Intrusion Detection Systems (IDS)?
Available Choices (select all choices that are correct)

  • A. They are effective against known vulnerabilities.
  • B. They require a small amount of care and feeding
  • C. Modern IDS recognize IACS devices by default.
  • D. They are very inexpensive to design and deploy.

Answer: A

Explanation:
Intrusion detection systems (IDS) are tools that monitor network traffic and detect suspicious or malicious activity based on predefined rules or signatures. They are effective against known vulnerabilities, as they can alert the system administrators or security personnel when they encounter a match with a known attack pattern or behavior. However, IDS have some limitations and challenges, especially when applied to industrial automation and control systems (IACS). Some of these are:
* Modern IDS do not recognize IACS devices by default, as they are designed for general-purpose IT networks and protocols. Therefore, they may generate false positives or negatives when dealing with IACS-specific devices, protocols, or traffic patterns. To overcome this, IDS need to be customized or adapted to the IACS environment and context, which may require additional expertise and resources.
* They are not very inexpensive to design and deploy, as they require careful planning, configuration, testing, and maintenance. They also need to be integrated with other security tools and processes, such as firewalls, antivirus, patch management, incident response, etc. Moreover, they may introduce additional costs and risks, such as network performance degradation, data privacy issues, or legal liabilities.
* They are not effective against unknown or zero-day vulnerabilities, as they rely on predefined rules or signatures that may not cover all possible attack scenarios or techniques. Therefore, they may fail to detect novel or sophisticated attacks that exploit new or undiscovered vulnerabilities. To mitigate this, IDS need to be complemented with other security measures, such as anomaly detection, threat intelligence, or machine learning.
* They require a significant amount of care and feeding, as they need to be constantly updated, tuned, and monitored. They also generate a large amount of data and alerts, which may overwhelm the system administrators or security personnel. Therefore, they need to be supported by adequate tools and processes, such as data analysis, alert filtering, prioritization, correlation, or visualization.
References: ISA/IEC 62443-2-1:2010 - Establishing an industrial automation and control system security program, ISA/IEC 62443-3-3:2013 - System security requirements and security levels, ISA/IEC 62443 Cybersecurity Fundamentals Specialist Training Course, [Enhancing Modbus/TCP-Based Industrial Automation and Control Systems Security Using Intrusion Detection Systems]


NEW QUESTION # 19
Safety management staff are stakeholders of what security program development?
Available Choices (select all choices that are correct)

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

Answer: D

Explanation:
Safety management staff are stakeholders of the CSMS, which stands for Cybersecurity Management System. The CSMS is a framework for managing the cybersecurity of industrial automation and control systems (IACS) based on the ISA/IEC 62443-2-1 standard1. The CSMS defines the objectives, policies, metrics, and governance for the overall ICS security program2. The CSMS also includes the processes for risk assessment, security design, implementation, monitoring, and improvement3. Safety management staff are involved in the CSMS development and implementation, as they are responsible for ensuring the safety of the IACS and the people, environment, and assets that depend on it. Safety management staff need to coordinate with the security management staff to align the safety and security requirements, identify and mitigate the safety risks arising from cyber threats, and monitor and respond to safety incidents caused by cyberattacks.
References:
* 1: ISA/IEC 62443-2-1: Establishing an Industrial Automation and Control Systems Security Program, ISA, 2010.
* 2: A Practical Approach to Adopting the IEC 62443 Standards - ISAGCA
* 3: ISA ISA-IEC-62443 ISA/IEC 62443 Cybersecurity Fundamentals Specialist Online Training - Exam4Training
* [4]: Using the ISA/IEC 62443 Standards to Secure Your Control System, ISA, 2018.


NEW QUESTION # 20
Which type of cryptographic algorithms requires more than one key?
Available Choices (select all choices that are correct)

  • A. Asymmetric (public) key
  • B. Block ciphers
  • C. Symmetric (private) key
  • D. Stream ciphers

Answer: A

Explanation:
Asymmetric (public) key algorithms are a type of cryptographic algorithms that require more than one key. Asymmetric key algorithms use a pair of keys, one for encryption and one for decryption, that are mathematically related but not identical1. The encryption key is usually made public, while the decryption key is kept private. This allows anyone to encrypt a message using the public key, but only the intendedrecipient can decrypt it using the private key1. Asymmetric key algorithms are also known as public key algorithms or public key cryptography1. Asymmetric key algorithms are used for various purposes, such as digital signatures, key exchange, and encryption2. Some examples of asymmetric key algorithms are RSA, Diffie-Hellman, ElGamal, and Elliptic Curve Cryptography2.
References: Asymmetric Algorithm or Public Key Cryptography - IBM, Cryptography 101: Key Principles, Major Types, Use Cases & Algorithms | Splunk.


NEW QUESTION # 21
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. Aligned needs of industrial users
  • B. Defense-in-depth approach to designing
  • C. Aligned development process
  • D. Well-documented security policies and procedures

Answer: D

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 # 22
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