[Q113-Q134] Try ISA-IEC-62443 Free Now! Real Exam Question Answers Updated [Jul 19, 2026]

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Try ISA-IEC-62443 Free Now! Real Exam Question Answers Updated [Jul 19, 2026]

Get Ready to Pass the ISA-IEC-62443 exam with ISA Latest Practice Exam

NEW QUESTION 113
What port number is used by MODBUS TCP/IP for communication?

443

502

NEW QUESTION 114
Which factor drives the selection of countermeasures?
Available Choices (select all choices that are correct)

Foundational requirements

Output from a risk assessment

Security levels

System design

NEW QUESTION 115
Which of the following is a trend that has caused a significant percentage of security vulnerabilities?
Available Choices (select all choices that are correct)

IACS developing into a network of air-gapped systems

IACS evolving into a number of closed proprietary systems

IACS using equipment designed for measurement and control

IACS becoming integrated with business and enterprise systems

NEW QUESTION 116
What is the PRIMARY goal of the IACS Security Program (SP) requirements according to ISA/IEC 62443-2-
1?

To mitigate risk

To implement technologies only

To focus solely on physical security measures

To eliminate all cybersecurity risks completely

NEW QUESTION 117
Which is one of the PRIMARY goals of providing a framework addressing secure product development life- cycle requirements?

Aligned development process

Aligned needs of industrial users

Well-documented security policies and procedures

Defense-in-depth approach to designing

NEW QUESTION 118
What is the name of the missing layer in the Open Systems Interconnection (OSI) model shown below?

Control

Protocol

Transport

User

NEW QUESTION 119
Which analysis method is MOST frequently used as an input to a security risk assessment?
Available Choices (select all choices that are correct)

Failure Mode and Effects Analysis

Job Safety Analysis

Process Hazard Analysis (PHA)

System Safety Analysis(SSA)

NEW QUESTION 120
What are the connections between security zones called?
Available Choices (select all choices that are correct)

Firewalls

Tunnels

Pathways

Conduits

NEW QUESTION 121
If an asset owner wants to improve their organization’s ability to respond during a cyberattack, which of the following activities would be MOST appropriate to implement?

Tabletop exercises

Password hygiene campaign

Architecture awareness workshops

Anomaly detection drills for operators

NEW QUESTION 122
What impact do increasing cybercrime attacks have?

They primarily target personal devices.

They focus solely on financial institutions.

They affect suppliers of essential services.

They lead to improved cybersecurity measures.

NEW QUESTION 123
What does ISASecure primarily focus on?

Developing internal testing labs

Certifying IACS products and systems for cybersecurity

Offering assessments for integrator site engineering practices

Managing asset owner operations and maintenance practices

NEW QUESTION 124
What is the FIRST step required in implementing ISO 27001?
Available Choices (select all choices that are correct)

Create a security management organization.

Define an information security policy.

Implement strict security controls.

Perform a security risk assessment.

NEW QUESTION 125
How many security levels are in the ISASecure certification program?
Available Choices (select all choices that are correct)

NEW QUESTION 126
A multinational corporation needs to implement a cybersecurity framework that can be adapted across different countries and industries while allowing continuous improvement. Which feature of the NIST CSF makes it suitable for this purpose?

It only applies to government agencies.

It is sector, country, and technology-neutral.

It mandates strict compliance without flexibility.

It focuses solely on payment card data protection.

NEW QUESTION 127
Which of the following starts at a high level and includes all ANSI/ISA-95 Level 0,1,2,3,4 equipment and information systems?

Zone model

Reference model

Asset model

Reference architecture

NEW QUESTION 128
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

NEW QUESTION 129
What do packet filter firewalls examine?
Available Choices (select all choices that are correct)

The packet structure and sequence

The relationships between packets in a session

Every incoming packet up to the application layer

Only the source, destination, and ports in the header of each packet

NEW QUESTION 130
What is the name of the missing layer in the Open Systems Interconnection (OSI) model shown below?

Control

Protocol

Transport

User

NEW QUESTION 131
Electronic security, as defined in ANSI/ISA-99.00.01:2007. includes which of the following?
Available Choices (select all choices that are correct)

Security guidelines for the proper configuration of IACS computers and operating systems

Computers, networks, operating systems, applications, and other programmable configurable components of the system

Personnel, policies, and procedures related to the security of computers, networks. PLCs, and other programmable configurable components of the system

Security guidelines for the proper configuration of IACS PLCs and other programmable configurable components of the system

NEW QUESTION 132
What is the name of the missing layer in the Open Systems Interconnection (OSI) model shown below?

Control

Protocol

Transport

User

NEW QUESTION 133
Which policies and procedures publication is titled Patch Manaqement in the IACS Environment?
Available Choices (select all choices that are correct)

ISA-TR62443-2-3

ISA-TR62443-1-4

ISA-62443-3-3

ISA-62443-4-2

NEW QUESTION 134
What are the three main components of the ISASecure Integrated Threat Analysis (ITA) Program?
Available Choices (select all choices that are correct)

Software development security assurance, functional security assessment, and communications
robustness testing

Software robustness security testing, functional software assessment assurance, and essential security
functionality assessment

Communications robustness testing, functional security assurance, and software robustness
communications

Communication speed, disaster recovery, and essential security functionality assessment