ISA-IEC-62443 Practice ISA Verified Answers - Pass Your Exams For Sure! [2024]
Valid Way To Pass ISA Cybersecurity's ISA-IEC-62443 Exam
NEW QUESTION # 42
Which of the following is the BEST reason for periodic audits?
Available Choices (select all choices that are correct)
- A. To adhere to a published or approved schedule
- B. To validate that security policies and procedures are performing
- C. To meet regulations
- D. To confirm audit procedures
Answer: B
NEW QUESTION # 43
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. Individual preferences
- D. Specific roles
Answer: D
NEW QUESTION # 44
Which of the following provides the overall conceptual basis in the design of an appropriate security program?
Available Choices (select all choices that are correct)
- A. Asset model
- B. Reference architecture
- C. Zone model
- D. Reference model
Answer: D
NEW QUESTION # 45
What are the three main components of the ISASecure Integrated Threat Analysis (ITA) Program?
Available Choices (select all choices that are correct)
- A. Communications robustness testing, functional security assurance, and software robustness
communications - B. Software development security assurance, functional security assessment, and communications
robustness testing - C. Communication speed, disaster recovery, and essential security functionality assessment
- D. Software robustness security testing, functional software assessment assurance, and essential security
functionality assessment
Answer: B
NEW QUESTION # 46
Which is an important difference between IT systems and IACS?
Available Choices (select all choices that are correct)
- A. The IT security priority is availability.
- B. IACS cybersecurity must address safety issues.
- C. Routers are not used in IACS networks.
- D. The IACS security priority is integrity.
Answer: B
NEW QUESTION # 47
What type of security level defines what a component or system is capable of meeting?
Available Choices (select all choices that are correct)
- A. Design security level
- B. Capability security level
- C. Target security level
- D. Achieved security level
Answer: B
NEW QUESTION # 48
In which layer is the physical address assigned?
Available Choices (select all choices that are correct)
- A. Layer 7
- B. Layer 2
- C. Layer 3
- D. Layer 1
Answer: B
NEW QUESTION # 49
What is a commonly used protocol for managing secure data transmission over a Virtual Private Network
(VPN)?
Available Choices (select all choices that are correct)
- A. SSH
- B. HTTPS
- C. MPLS
- D. IPSec
Answer: D
NEW QUESTION # 50
Which is a commonly used protocol for managing secure data transmission on the Internet?
Available Choices (select all choices that are correct)
- A. Microsoft Point-to-Point Encryption
- B. Datagram Transport Layer Security (DTLS)
- C. Secure Sockets Layer
- D. Secure Telnet
Answer: C
NEW QUESTION # 51
What is the definition of "defense in depth" when referring to
Available Choices (select all choices that are correct)
- A. Applying multiple countermeasures in a layered or stepwise manner
- B. Using countermeasures that have intrinsic technical depth.
- C. Requiring a minimum distance requirement between security assets
- D. Aligning all resources to provide a broad technical gauntlet
Answer: A
NEW QUESTION # 52
What does Layer 1 of the ISO/OSI protocol stack provide?
Available Choices (select all choices that are correct)
- A. Framing, converting electrical signals to data, and error checking
- B. User applications specific to network applications such as reading data registers in a PLC
- C. The electrical and physical specifications of the data connection
- D. Data encryption, routing, and end-to-end connectivity
Answer: C
NEW QUESTION # 53
What are three possible entry points (pathways) that could be used for launching a cyber attack?
Available Choices (select all choices that are correct)
- A. LAN, WAN, and hard drive
- B. LAN, portable media, and wireless
- C. LAN, power source, and wireless OD.
- D. LAN, portable media, and hard drives
Answer: B
NEW QUESTION # 54
Which steps are part of implementing countermeasures?
Available Choices (select all choices that are correct)
- A. Select common countermeasures and update the business continuity plan.
- B. Select common countermeasures and collaborate with stakeholders.
- C. Establish the risk tolerance and update the business continuity plan.
- D. Establish the risk tolerance and select common countermeasures.
Answer: D
NEW QUESTION # 55
Which layer specifies the rules for Modbus Application Protocol
Available Choices (select all choices that are correct)
- A. Session layer
- B. Data link layer
- C. Presentation layer
- D. Application layer
Answer: D
NEW QUESTION # 56
Which is the implementation of PROFIBUS over Ethernet for non-safetv-related communications?
Available Choices (select all choices that are correct)
- A. PROFIBUS PA
- B. PROFIBUS DP
- C. PROFINET
- D. PROF1SAFE
Answer: C
NEW QUESTION # 57
Who must be included in a training and security awareness program?
Available Choices (select all choices that are correct)
- A. Temporary staff
- B. Vendors and suppliers
- C. Employees
- D. All personnel
Answer: D
NEW QUESTION # 58
What is the FIRST step required in implementing ISO 27001?
Available Choices (select all choices that are correct)
- A. Create a security management organization.
- B. Implement strict security controls.
- C. Perform a security risk assessment.
- D. Define an information security policy.
Answer: A
NEW QUESTION # 59
Which of the following is an element of monitoring and improving a CSMS?
Available Choices (select all choices that are correct)
- A. Significant changes in identified risk round in periodic reassessments
- B. Increase in staff training and security awareness
- C. Review of system logs and other key data files
- D. Restricted access to the industrial control system to an as-needed basis
Answer: C
NEW QUESTION # 60
Which of the following ISA-99 (IEC 62443) Reference Model levels is named correctly?
Available Choices (select all choices that are correct)
- A. Level 4: Process
- B. Level 3: Operations Management
- C. Level 1: Supervisory Control
- D. Level 2: Quality Control
Answer: B
NEW QUESTION # 61
Which communications system covers a large geographic area?
Available Choices (select all choices that are correct)
- A. Local Area Network (LAN)
- B. Campus Area Network (CAN)
- C. Wide Area Network (WAN)
- D. Storage Area Network
Answer: C
NEW QUESTION # 62
Why is patch management more difficult for IACS than for business systems?
Available Choices (select all choices that are correct)
- A. Overtime pay is required for technicians.
- B. Many more approvals are required.
- C. Patching a live automation system can create safety risks.
- D. Business systems automatically update.
Answer: C
NEW QUESTION # 63
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