RELIABLE ISA-IEC-62443 TEST GUIDE | HIGH PASS-RATE ISA NEW ISA-IEC-62443 DUMPS FILES: ISA/IEC 62443 CYBERSECURITY FUNDAMENTALS SPECIALIST

Reliable ISA-IEC-62443 Test Guide | High Pass-Rate ISA New ISA-IEC-62443 Dumps Files: ISA/IEC 62443 Cybersecurity Fundamentals Specialist

Reliable ISA-IEC-62443 Test Guide | High Pass-Rate ISA New ISA-IEC-62443 Dumps Files: ISA/IEC 62443 Cybersecurity Fundamentals Specialist

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions (Q36-Q41):

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 0 can only interact with Level 1 through the firewall.
  • C. Level 4 systems must use the DMZ to communicate with Level 3 and below.
  • D. Email is prevented, thereby mitigating the risk of phishing attempts.

Answer: A

Explanation:
In cybersecurity, a demilitarized zone (DMZ) refers to a physical or logical subnetwork that contains and exposes an organization's external-facing services to an untrusted network, typically the internet. The main characteristic of a DMZ is that it acts as a buffer zone between the public internet and the private network.
This allows for internet access through the firewall while keeping the internal network secure. Internet-facing servers are placed in the DMZ so that they are separated from the rest of the internal network. By doing so, if a server in the DMZ is compromised, the attacker would not have direct access to the internal network. This architecture is commonly used to host services such as web servers, mail servers, and FTP servers. Choice C is the most closely associated with the deployment of a DMZ as it allows for regulated and monitored internet access through a firewall.


NEW QUESTION # 37
Which analysis method is MOST frequently used as an input to a security risk assessment?
Available Choices (select all choices that are correct)

  • A. Process Hazard Analysis (PHA)
  • B. Failure Mode and Effects Analysis
  • C. Job Safety Analysis
  • D. System Safety Analysis(SSA)

Answer: A


NEW QUESTION # 38
Which of the ISA 62443 standards focuses on the process of developing secure products?
Available Choices (select all choices that are correct)

  • A. 62443-3-2
  • B. 62443-3-3
  • C. 62443-4-1
  • D. 62443-1-1

Answer: C


NEW QUESTION # 39
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. Data encryption, routing, and end-to-end connectivity
  • D. The electrical and physical specifications of the data connection

Answer: D

Explanation:
Layer 1 of the ISO/OSI protocol stack is the physical layer, which provides the means of transmitting and receiving raw data bits over a physical medium. It defines the electrical and physical specifications of the data connection, such as the voltage levels, signal timing, cable types, connectors, and pin assignments. It does not perform any data encryption, routing, end-to-end connectivity, framing, error checking, or user applications. These functions are performed by higher layers of the protocol stack, such as the data link layer, the network layer, the transport layer, and the application layer. References: ISO/IEC 7498-1:1994, Section
6.11; ISA/IEC 62443 Cybersecurity Fundamentals Specialist Study Guide, Section 3.1.12


NEW QUESTION # 40
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 application ID
  • B. ATCP/UDP port number
  • C. A TCP/UDP host ID
  • D. ATCP/UDP registry number

Answer: B


NEW QUESTION # 41
......

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