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Exam Cybersecurity Fundamentals Specialist All Questions

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Exam Cybersecurity Fundamentals Specialist topic 1 question 29 discussion

Actual exam question from ISA's Cybersecurity Fundamentals Specialist
Question #: 29
Topic #: 1
[All Cybersecurity Fundamentals Specialist Questions]

Which of the following is a recommended default rule for IACS firewalls?

  • A. Allow all traffic by default.
  • B. Allow IACS devices to access the Internet.
  • C. Allow traffic directly from the IACS network to the enterprise network.
  • D. Block all traffic by default.
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Suggested Answer: D 🗳️

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Morax1100
4 days ago
Selected Answer: D
The recommended default rule for firewalls, including in IACS (Industrial Automation and Control Systems) environments, is to block all traffic by default and then explicitly allow only necessary traffic. This principle, often referred to as "default deny" or "least privilege"
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Evan7557
2 months, 1 week ago
Answer D
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