Ultimate Guide to the ISA-IEC-62443 - Latest Jan 05, 2024 Edition Available Now
2024 Updated Verified Pass ISA-IEC-62443 Exam - Real Questions and Answers
NEW QUESTION # 45
After receiving an approved patch from the JACS vendor, what is BEST practice for the asset owner to
follow?
vailable Choices (select all choices that are correct)
- A. If a high priority, apply the patch at the first unscheduled outage.
- B. If a medium priority, schedule the installation within three months after receipt.
- C. If a low priority, there is no need to apply the patch.
- D. If no problems are experienced with the current IACS, it is not necessary to apply the patch.
Answer: B
NEW QUESTION # 46
What is the FIRST step required in implementing ISO 27001?
Available Choices (select all choices that are correct)
- A. Implement strict security controls.
- B. Define an information security policy.
- C. Perform a security risk assessment.
- D. Create a security management organization.
Answer: D
NEW QUESTION # 47
Electronic security, as defined in ANSI/ISA-99.00.01:2007. includes which of the following?
Available Choices (select all choices that are correct)
- A. Security guidelines for the proper configuration of IACS computers and operating systems
- B. Computers, networks, operating systems, applications, and other programmable configurable
components of the system - C. Personnel, policies, and procedures related to the security of computers, networks. PLCs, and other
programmable configurable components of the system - D. Security guidelines for the proper configuration of IACS PLCs and other programmable configurable
components of the system
Answer: C
NEW QUESTION # 48
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. Control System Management System
- C. Cyber Security Monitoring System
- D. Cyber Security Management System
Answer: D
NEW QUESTION # 49
Which of the following PRIMARILY determines access privileges for user accounts?
Available Choices (select all choices that are correct)
- A. Authorization security policy
- B. Technical capability
- C. Users' desire for ease of use
- D. Common practice
Answer: A
NEW QUESTION # 50
Why is patch management more difficult for IACS than for business systems?
Available Choices (select all choices that are correct)
- A. Business systems automatically update.
- B. Many more approvals are required.
- C. Patching a live automation system can create safety risks.
- D. Overtime pay is required for technicians.
Answer: C
NEW QUESTION # 51
Authorization (user accounts) must be granted based on which of the following?
Available Choices (select all choices that are correct)
- A. Common needs for large groups
- B. System complexity
- C. Specific roles
- D. Individual preferences
Answer: C
NEW QUESTION # 52
Which of the following can be employed as a barrier device in a segmented network?
Available Choices (select all choices that are correct)
- A. Domain controller
- B. Unmanaged switch
- C. Router
- D. VPN
Answer: C
NEW QUESTION # 53
What is the definition of "defense in depth" when referring to
Available Choices (select all choices that are correct)
- A. Using countermeasures that have intrinsic technical depth.
- B. Requiring a minimum distance requirement between security assets
- C. Applying multiple countermeasures in a layered or stepwise manner
- D. Aligning all resources to provide a broad technical gauntlet
Answer: C
NEW QUESTION # 54
In a defense-in-depth strategy, what is the purpose of role-based access control?
Available Choices (select all choices that are correct)
- A. Ensures that users correctly manage their username and password
- B. Ensures that users can access only certain devices on the network
- C. Ensures that users can access only the functions they need for their job
- D. Ensures that users can access systems from remote locations
Answer: C
NEW QUESTION # 55
Which is the BEST practice when establishing security zones?
Available Choices (select all choices that are correct)
- A. All components in a large or complex system should be in the same security zone.
- B. Security zones should contain assets that share common security requirements.
- C. Security zones should align with physical network segments.
- D. Assets within the same logical communication network should be in the same security zone.
Answer: B
NEW QUESTION # 56
What does Layer 1 of the ISO/OSI protocol stack provide?
Available Choices (select all choices that are correct)
- A. The electrical and physical specifications of the data connection
- B. User applications specific to network applications such as reading data registers in a PLC
- C. Data encryption, routing, and end-to-end connectivity
- D. Framing, converting electrical signals to data, and error checking
Answer: A
NEW QUESTION # 57
What is OPC?
Available Choices (select all choices that are correct)
- A. A vendor-specific proprietary protocol for the communication of real-time plant data between control devices
- B. An open standard protocol for real-time field bus communication between automation technology
devices - C. An open standard serial communications protocol widely used in industrial manufacturing environments
- D. An open standard protocol for the communication of real-time data between devices from different
manufacturers
Answer: D
NEW QUESTION # 58
Within the National Institute of Standards and Technoloqv Cybersecuritv Framework v1.0 (NIST CSF), what
is the status of the ISA 62443 standards?
Available Choices (select all choices that are correct)
- A. They are used as informative references.
- B. They are under consideration for future use.
- C. They are not used.
- D. They are used as normative references.
Answer: A
NEW QUESTION # 59
Which is a reason for
and physical security regulations meeting a mixed resistance?
Available Choices (select all choices that are correct)
- A. There are a limited number of enforced cybersecurity and physical security regulations.
- B. Regulations contain only informative elements.
- C. Regulations are voluntary documents.
- D. Cybersecurity risks can best be managed individually and in isolation.
Answer: A
NEW QUESTION # 60
Which policies and procedures publication is titled Patch Manaqement in the IACS Environment?
Available Choices (select all choices that are correct)
- A. ISA-TR62443-1-4
- B. ISA-62443-4-2
- C. ISA-62443-3-3
- D. ISA-TR62443-2-3
Answer: D
NEW QUESTION # 61
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