2023 Valid ISA-IEC-62443 Real Exam Questions, practice ISA Cybersecurity
Latest Success Metrics For Actual ISA-IEC-62443 Exam (Updated 90 Questions)
NEW QUESTION # 35
Which of the following tools has the potential for serious disruption of a control network and should not be
used on a live system?
Available Choices (select all choices that are correct)
- A. Vulnerability scanner
- B. Web browser
- C. Remote desktop
- D. FTP
Answer: A
NEW QUESTION # 36
Which characteristic is MOST closely associated with the deployment of a demilitarized zone (DMZ)?
Available Choices (select all choices that are correct)
- A. Internet access through the firewall is allowed.
- B. Level 4 systems must use the DMZ to communicate with Level 3 and below.
- C. Level 0 can only interact with Level 1 through the firewall.
- D. Email is prevented, thereby mitigating the risk of phishing attempts.
Answer: B
NEW QUESTION # 37
Which of the following are the critical variables related to access control?
Available Choices (select all choices that are correct)
- A. Account management and monitoring
- B. Account management and password strength
- C. Reporting and monitoring
- D. Password strength and change frequency
Answer: B
NEW QUESTION # 38
Which of the following is the BEST reason for periodic audits?
Available Choices (select all choices that are correct)
- A. To meet regulations
- B. To validate that security policies and procedures are performing
- C. To adhere to a published or approved schedule
- D. To confirm audit procedures
Answer: B
NEW QUESTION # 39
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 robustness security testing, functional software assessment assurance, and essential security
functionality assessment - C. Software development security assurance, functional security assessment, and communications
robustness testing - D. Communication speed, disaster recovery, and essential security functionality assessment
Answer: C
NEW QUESTION # 40
Which of the following is a cause for the increase in attacks on IACS?
Available Choices (select all choices that are correct)
- A. Fewer personnel with system knowledge having access to IACS
- B. The move away from commercial off the shelf (COTS) systems, protocols, and networks
- C. Use of proprietary communications protocols
- D. Knowledge of exploits and tools readily available on the Internet
Answer: B
NEW QUESTION # 41
What is the name of the missing layer in the Open Systems Interconnection (OSI) model shown below?
- A. Transport
- B. Protocol
- C. User
- D. Control
Answer: A
NEW QUESTION # 42
Which is a reason for
and physical security regulations meeting a mixed resistance?
Available Choices (select all choices that are correct)
- A. Cybersecurity risks can best be managed individually and in isolation.
- B. Regulations are voluntary documents.
- C. Regulations contain only informative elements.
- D. There are a limited number of enforced cybersecurity and physical security regulations.
Answer: D
NEW QUESTION # 43
Which of the following is the underlying protocol for Ethernet/IP?
Available Choices (select all choices that are correct)
- A. Common Industrial Protocol
- B. Highway Addressable Remote Transducer (HART)
- C. Object Linking and Embedding (OLE) for Process Control
- D. Building Automation and Control Network (BACnet)
Answer: A
NEW QUESTION # 44
Which type of cryptographic algorithms requires more than one key?
Available Choices (select all choices that are correct)
- A. Asymmetric (public) key
- B. Stream ciphers
- C. Symmetric (private) key
- D. Block ciphers
Answer: A
NEW QUESTION # 45
What are the connections between security zones called?
Available Choices (select all choices that are correct)
- A. Pathways
- B. Conduits
- C. Firewalls
- D. Tunnels
Answer: B
NEW QUESTION # 46
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. Patching a live automation system can create safety risks.
- C. Many more approvals are required.
- D. Overtime pay is required for technicians.
Answer: B
NEW QUESTION # 47
Which is a commonly used protocol for managing secure data transmission on the Internet?
Available Choices (select all choices that are correct)
- A. Secure Telnet
- B. Datagram Transport Layer Security (DTLS)
- C. Microsoft Point-to-Point Encryption
- D. Secure Sockets Layer
Answer: D
NEW QUESTION # 48
Which of the ISA 62443 standards focuses on the process of developing secure products?
Available Choices (select all choices that are correct)
- A. 62443-4-1
- B. 62443-3-3
- C. 62443-3-2
- D. 62443-1-1
Answer: A
NEW QUESTION # 49
Which is the BEST practice when establishing security zones?
Available Choices (select all choices that are correct)
- A. Assets within the same logical communication network should be in the same security zone.
- B. All components in a large or complex system should be in the same security zone.
- C. Security zones should align with physical network segments.
- D. Security zones should contain assets that share common security requirements.
Answer: D
NEW QUESTION # 50
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