[Q25-Q47] ISA/IEC 62443 Cybersecurity Fundamentals Specialist Practice Tests 2025 Pass ISA-IEC-62443 with confidence!

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Practice Tests 2025 | Pass ISA-IEC-62443 with confidence!

Practice ISA Cybersecurity ISA-IEC-62443 exam. Online Exam Practice Tests with detailed explanations!

QUESTION 25
Which is one of the PRIMARY goals of providing a framework addressing secure product development life-cycle requirements?
Available Choices (select all choices that are correct)

Aligned development process

Aligned needs of industrial users

Well-documented security policies and procedures

Defense-in-depth approach to designing

QUESTION 26
Safety management staff are stakeholders of what security program development?
Available Choices (select all choices that are correct)

CSMS

SPRP

CSA

ERM

QUESTION 27
What does the abbreviation CSMS round in ISA 62443-2-1 represent?
Available Choices (select all choices that are correct)

Control System Management System

Control System Monitoring System

Cyber Security Management System

Cyber Security Monitoring System

QUESTION 28
Which steps are part of implementing countermeasures?
Available Choices (select all choices that are correct)

Establish the risk tolerance and select common countermeasures.

Establish the risk tolerance and update the business continuity plan.

Select common countermeasures and update the business continuity plan.

Select common countermeasures and collaborate with stakeholders.

QUESTION 29
Which type of cryptographic algorithms requires more than one key?
Available Choices (select all choices that are correct)

Block ciphers

Stream ciphers

Symmetric (private) key

Asymmetric (public) key

QUESTION 30
What is the definition of “defense in depth” when referring to
Available Choices (select all choices that are correct)

Using countermeasures that have intrinsic technical depth.

Aligning all resources to provide a broad technical gauntlet

Requiring a minimum distance requirement between security assets

Applying multiple countermeasures in a layered or stepwise manner

QUESTION 31
Which layer specifies the rules for Modbus Application Protocol
Available Choices (select all choices that are correct)

Data link layer

Session layer

Presentation layer

Application layer

QUESTION 32
Which is a commonly used protocol for managing secure data transmission on the Internet?
Available Choices (select all choices that are correct)

Datagram Transport Layer Security (DTLS)

Microsoft Point-to-Point Encryption

Secure Telnet

Secure Sockets Layer

QUESTION 33
Which activity is part of establishing policy, organization, and awareness?
Available Choices (select all choices that are correct)

Communicate policies.

Establish the risk tolerance.

Identify detailed vulnerabilities.

Implement countermeasures.

QUESTION 34
What are the connections between security zones called?
Available Choices (select all choices that are correct)

Firewalls

Tunnels

Pathways

Conduits

QUESTION 35
What type of security level defines what a component or system is capable of meeting?
Available Choices (select all choices that are correct)

Capability security level

Achieved security level

Design security level

Target security level

QUESTION 36
Who must be included in a training and security awareness program?
Available Choices (select all choices that are correct)

Vendors and suppliers

Employees

All personnel

Temporary staff

QUESTION 37
What is a feature of an asymmetric key?
Available Choices (select all choices that are correct)

Uses a continuous stream

Uses different keys

Shares the same key OD.

Has lower network overhead

QUESTION 38
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)

ATCP/UDP application ID

A TCP/UDP host ID

ATCP/UDP port number

ATCP/UDP registry number

QUESTION 39
Which communications system covers a large geographic area?
Available Choices (select all choices that are correct)

Campus Area Network (CAN)

Local Area Network (LAN)

Storage Area Network

Wide Area Network (WAN)

QUESTION 40
Which of the following is the BEST example of detection-in-depth best practices?
Available Choices (select all choices that are correct)

Firewalls and unexpected protocols being used

IDS sensors deployed within multiple zones in the production environment

Role-based access control and unusual data transfer patterns

Role-based access control and VPNs

QUESTION 41
Which is the implementation of PROFIBUS over Ethernet for non-safetv-related communications?
Available Choices (select all choices that are correct)

PROFIBUS DP

PROFIBUS PA

PROFINET

PROF1SAFE

QUESTION 42
What is the name of the protocol that implements serial Modbus over Ethernet?
Available Choices (select all choices that are correct)

MODBUS/CIP

MODBUS/Ethernet

MODBUS/Plus

MODBUS/TCP

QUESTION 43
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)

They are used as informative references.

They are used as normative references.

They are under consideration for future use.

They are not used.

QUESTION 44
Which of the following is a recommended default rule for IACS firewalls?
Available Choices (select all choices that are correct)

Allow all traffic by default.

Allow IACS devices to access the Internet.

Allow traffic directly from the IACS network to the enterprise network.

Block all traffic by default.

QUESTION 45
Which of the following PRIMARILY determines access privileges for user accounts?
Available Choices (select all choices that are correct)

Users’ desire for ease of use

Authorization security policy

Common practice

Technical capability

QUESTION 46
In an IACS system, a typical security conduit consists of which of the following assets?
Available Choices (select all choices that are correct)

Controllers, sensors, transmitters, and final control elements

Wiring, routers, switches, and network management devices

Ferrous, thickwall, and threaded conduit including raceways

Power lines, cabinet enclosures, and protective grounds

QUESTION 47
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)

Changes are approved by one party and implemented by another.

Configuration settings are made by one party and self-reviewed using a checklist.

Developers write and then test their own code.

Design and implementation are performed by the same team.