Expert Answers to ISA Exam ISA-IEC-62443 Questions

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Cybersecurity ISA/IEC 62443 Cybersecurity Fundamentals Specialist

ISA/IEC 62443 Cybersecurity Fundamentals Specialist

Last Update Dec 15, 2025
Total Questions : 215

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Questions 2

What do packet filter firewalls examine?

Available Choices (select all choices that are correct)

Options:

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

Discussion 0

Questions 3

Which statement is TRUE regarding Intrusion Detection Systems (IDS)?

Available Choices (select all choices that are correct)

Options:

Modern IDS recognize IACS devices by default.

They are very inexpensive to design and deploy.

They are effective against known vulnerabilities.

They require a small amount of care and feeding

Discussion 0

Questions 4

Which statement is TRUE reqardinq application of patches in an IACS environment?

Available Choices (select all choices that are correct)

Options:

Patches should be applied as soon as they are available.

Patches should be applied within one month of availability.

Patches never should be applied in an IACS environment.

Patches should be applied based on the organization's risk assessment.

Discussion 0

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Questions 5

Which U.S. Department is responsible for the Chemical Facility Anti-Terrorism Standards (CFATS)?

Options:

Department of Energy

Nuclear Regulatory Commission

Department of Homeland Security

Transportation Security Administration

Discussion 0