[Q26-Q49] Download Online VALID ISA-IEC-62443 Exam Dumps File Instantly [Jul 22, 2023]

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Download Online VALID ISA-IEC-62443 Exam Dumps File Instantly[Jul 22, 2023]

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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