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ISA-IEC-62443 Exam Dumps For Certification Exam Preparation
NEW QUESTION # 26
Which is the BEST deployment system for malicious code protection?
Available Choices (select all choices that are correct)
- A. Network segmentation
- B. Zones and conduits
- C. Application whitelistinq (AWL) OD.
- D. IACS protocol converters
Answer: B
NEW QUESTION # 27
Which of the following is the underlying protocol for Ethernet/IP?
Available Choices (select all choices that are correct)
- A. Object Linking and Embedding (OLE) for Process Control
- B. Common Industrial Protocol
- C. Building Automation and Control Network (BACnet)
- D. Highway Addressable Remote Transducer (HART)
Answer: B
NEW QUESTION # 28
Which is a PRIMARY reason why network security is important in IACS environments?
Available Choices (select all choices that are correct)
- A. PLCs are programmed using ladder logic.
- B. PLCs use serial or Ethernet communications methods.
- C. PLCs are inherently unreliable.
- D. PLCs under cyber attack can have costly and dangerous impacts.
Answer: D
NEW QUESTION # 29
What is the purpose of ISO/IEC 15408 (Common Criteria)?
Available Choices (select all choices that are correct)
- A. To define a security management organization
- B. To describe what constitutes a secure product
- C. To define a product development evaluation methodology
- D. To describe a process for risk management
Answer: C
NEW QUESTION # 30
Which is a reason for
and physical security regulations meeting a mixed resistance?
Available Choices (select all choices that are correct)
- A. Regulations contain only informative elements.
- B. There are a limited number of enforced cybersecurity and physical security regulations.
- C. Cybersecurity risks can best be managed individually and in isolation.
- D. Regulations are voluntary documents.
Answer: B
NEW QUESTION # 31
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 not used.
- B. They are used as informative references.
- C. They are under consideration for future use.
- D. They are used as normative references.
Answer: B
NEW QUESTION # 32
At Layer 4 of the Open Systems Interconnection (OSI) model, what identifies the application that will handle a
packet inside a host?
Available Choices (select all choices that are correct)
- A. ATCP/UDP registry number
- B. ATCP/UDP port number
- C. ATCP/UDP application ID
- D. A TCP/UDP host ID
Answer: B
NEW QUESTION # 33
What is the name of the missing layer in the Open Systems Interconnection (OSI) model shown below?
- A. Control
- B. Protocol
- C. Transport
- D. User
Answer: C
NEW QUESTION # 34
Which of the following PRIMARILY determines access privileges for user accounts?
Available Choices (select all choices that are correct)
- A. Common practice
- B. Authorization security policy
- C. Technical capability
- D. Users' desire for ease of use
Answer: B
NEW QUESTION # 35
Which analysis method is MOST frequently used as an input to a security risk assessment?
Available Choices (select all choices that are correct)
- A. Job Safety Analysis(JSA)
- B. Process Hazard Analysis (PHA)
- C. System Safety Analysis(SSA)
- D. Failure Mode and Effects Analysis
Answer: B
NEW QUESTION # 36
Which of the following is a trend that has caused a significant percentage of security vulnerabilities?
Available Choices (select all choices that are correct)
- A. IACS using equipment designed for measurement and control
- B. IACS evolving into a number of closed proprietary systems
- C. IACS becoming integrated with business and enterprise systems
- D. IACS developing into a network of air-gapped systems
Answer: C
NEW QUESTION # 37
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 are very inexpensive to design and deploy.
- C. Modern IDS recognize IACS devices by default.
- D. They require a small amount of care and feeding
Answer: C
NEW QUESTION # 38
Which characteristic is MOST closely associated with the deployment of a demilitarized zone (DMZ)?
Available Choices (select all choices that are correct)
- A. Email is prevented, thereby mitigating the risk of phishing attempts.
- B. Level 4 systems must use the DMZ to communicate with Level 3 and below.
- C. Internet access through the firewall is allowed.
- D. Level 0 can only interact with Level 1 through the firewall.
Answer: B
NEW QUESTION # 39
Which of the following is an example of separation of duties as a part of system development and
maintenance?
Available Choices (select all choices that are correct)
- A. Developers write and then test their own code.
- B. Configuration settings are made by one party and self-reviewed using a checklist.
- C. Design and implementation are performed by the same team.
- D. Changes are approved by one party and implemented by another.
Answer: D
NEW QUESTION # 40
What are the four main categories for documents in the ISA-62443 (IEC 62443) series?
Available Choices (select all choices that are correct)
- A. Assessment. Mitigation. Documentation, and Maintenance
- B. General. Policies and Procedures. System, and Component
- C. End-User, Integrator, Vendor, and Regulator
- D. People. Processes. Technology, and Training
Answer: B
NEW QUESTION # 41
Which factor drives the selection of countermeasures?
Available Choices (select all choices that are correct)
- A. Foundational requirements
- B. Security levels
- C. System design
- D. Output from a risk assessment
Answer: D
NEW QUESTION # 42
Which is a physical layer standard for serial communications between two or more devices?
Available Choices (select all choices that are correct)
- A. RS232
- B. RS432
- C. RS235
- D. RS435
Answer: D
NEW QUESTION # 43
Which type of cryptographic algorithms requires more than one key?
Available Choices (select all choices that are correct)
- A. Block ciphers
- B. Asymmetric (public) key
- C. Symmetric (private) key
- D. Stream ciphers
Answer: B
NEW QUESTION # 44
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. Web browser
- B. FTP
- C. Remote desktop
- D. Vulnerability scanner
Answer: D
NEW QUESTION # 45
Who must be included in a training and security awareness program?
Available Choices (select all choices that are correct)
- A. Temporary staff
- B. Employees
- C. Vendors and suppliers
- D. All personnel
Answer: D
NEW QUESTION # 46
Whose responsibility is it to determine the level of risk an organization is willing to tolerate?
Available Choices (select all choices that are correct)
- A. Management
- B. Legal Department
- C. Operations Department
- D. Safety Department
Answer: A
NEW QUESTION # 47
What are the connections between security zones called?
Available Choices (select all choices that are correct)
- A. Conduits
- B. Pathways
- C. Firewalls
- D. Tunnels
Answer: A
NEW QUESTION # 48
What are the two sublayers of Layer 2?
Available Choices (select all choices that are correct)
- A. LLC and MAC
- B. OPC and DCOM
- C. HIDS and NIDS
- D. VLAN and VPN
Answer: A
NEW QUESTION # 49
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