ISA-IEC-62443 Exam Dumps - PDF Questions and Testing Engine
ISA-IEC-62443 Dumps - The Sure Way To Pass Exam
NEW QUESTION # 16
Which is an important difference between IT systems and IACS?
Available Choices (select all choices that are correct)
- A. IACS cybersecurity must address safety issues.
- B. Routers are not used in IACS networks.
- C. The IACS security priority is integrity.
- D. The IT security priority is availability.
Answer: A
NEW QUESTION # 17
Which of the following is a recommended default rule for IACS firewalls?
Available Choices (select all choices that are correct)
- A. Block all traffic by default.
- B. Allow traffic directly from the IACS network to the enterprise network.
- C. Allow all traffic by default.
- D. Allow IACS devices to access the Internet.
Answer: A
NEW QUESTION # 18
Which is a physical layer standard for serial communications between two or more devices?
Available Choices (select all choices that are correct)
- A. RS432
- B. RS235
- C. RS435
- D. RS232
Answer: C
NEW QUESTION # 19
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. IPSec
- B. SSH
- C. HTTPS
- D. MPLS
Answer: A
NEW QUESTION # 20
Which of the following attacks relies on a human weakness to succeed?
Available Choices (select all choices that are correct)
- A. Escalation-of-privileges
- B. Phishing
- C. Spoofing
- D. Denial-of-service
Answer: B
NEW QUESTION # 21
Which characteristic is MOST closely associated with the deployment of a demilitarized zone (DMZ)?
Available Choices (select all choices that are correct)
- A. Level 0 can only interact with Level 1 through the firewall.
- B. Level 4 systems must use the DMZ to communicate with Level 3 and below.
- C. Internet access through the firewall is allowed.
- D. Email is prevented, thereby mitigating the risk of phishing attempts.
Answer: B
NEW QUESTION # 22
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. Safety Department
- B. Legal Department
- C. Management
- D. Operations Department
Answer: C
NEW QUESTION # 23
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. Target security level
- C. Achieved security level
- D. Capability security level
Answer: D
NEW QUESTION # 24
Which service does an Intrusion Detection System (IDS) provide?
Available Choices (select all choices that are correct)
- A. It is the lock on the door for networks and computer systems.
- B. It blocks malicious activity in networks and computer systems.
- C. It detects attempts to break into or misuse a computer system.
- D. It is effective against all vulnerabilities in networks and computer systems.
Answer: C
NEW QUESTION # 25
Which of the following are the critical variables related to access control?
Available Choices (select all choices that are correct)
- A. Account management and password strength
- B. Password strength and change frequency
- C. Account management and monitoring
- D. Reporting and monitoring
Answer: A
NEW QUESTION # 26
Which is a role of the application layer?
Available Choices (select all choices that are correct)
- A. Includes protocols specific to network applications such as email, file transfer, and reading data registers
in a PLC - B. Includes user applications specific to network applications such as email, file transfer, and reading data
registers in a PLC - C. Delivers and formats information, possibly with encryption and security
- D. Provides the mechanism for opening, closing, and managing a session between end-user application
processes
Answer: B
NEW QUESTION # 27
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 port number
- B. A TCP/UDP host ID
- C. ATCP/UDP application ID
- D. ATCP/UDP registry number
Answer: A
NEW QUESTION # 28
Authorization (user accounts) must be granted based on which of the following?
Available Choices (select all choices that are correct)
- A. Specific roles
- B. System complexity
- C. Individual preferences
- D. Common needs for large groups
Answer: A
NEW QUESTION # 29
What are the two sublayers of Layer 2?
Available Choices (select all choices that are correct)
- A. OPC and DCOM
- B. VLAN and VPN
- C. LLC and MAC
- D. HIDS and NIDS
Answer: C
NEW QUESTION # 30
Which is the BEST deployment system for malicious code protection?
Available Choices (select all choices that are correct)
- A. Application whitelistinq (AWL) OD.
- B. IACS protocol converters
- C. Zones and conduits
- D. Network segmentation
Answer: C
NEW QUESTION # 31
Which factor drives the selection of countermeasures?
Available Choices (select all choices that are correct)
- A. Output from a risk assessment
- B. System design
- C. Security levels
- D. Foundational requirements
Answer: A
NEW QUESTION # 32
Which of the following is the underlying protocol for Ethernet/IP?
Available Choices (select all choices that are correct)
- A. Highway Addressable Remote Transducer (HART)
- B. Building Automation and Control Network (BACnet)
- C. Object Linking and Embedding (OLE) for Process Control
- D. Common Industrial Protocol
Answer: D
NEW QUESTION # 33
Who must be included in a training and security awareness program?
Available Choices (select all choices that are correct)
- A. Vendors and suppliers
- B. Employees
- C. Temporary staff
- D. All personnel
Answer: D
NEW QUESTION # 34
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 normative references.
- B. They are used as informative references.
- C. They are not used.
- D. They are under consideration for future use.
Answer: B
NEW QUESTION # 35
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. Security zones should align with physical network segments.
- C. Security zones should contain assets that share common security requirements.
- D. All components in a large or complex system should be in the same security zone.
Answer: C
NEW QUESTION # 36
......
Pass ISA ISA-IEC-62443 Exam Quickly With FreePdfDump: https://www.freepdfdump.top/ISA-IEC-62443-valid-torrent.html
ISA-IEC-62443 Exam Questions (Updated 2023) 100% Real Question Answers: https://drive.google.com/open?id=1R8SuAlYcBiiRnX_v-6svk1tam_YdzNTK
