ISA/IEC 62443 Cybersecurity Fundamentals Specialist Free Practice Exam Questions

90 real ISA/IEC 62443 Cybersecurity Fundamentals Specialist exam questions with answers and AI explanations. ISA certification prep — page 3 of 9.

1. Question 22: Which factor drives the selection of countermeasures?
2. Question 23: Which layer in the Open Systems Interconnection (OSI) model would include the use of the File Transfer Protocol (FTP)?
3. Question 24: Which of the following is a trend that has caused a significant percentage of security vulnerabilities?
4. Question 25: Why is patch management more difficult for IACS than for business systems?
5. Question 26: Which is a PRIMARY reason why network security is important in IACS environments?
6. Question 27: Which statement is TRUE regarding Intrusion Detection Systems (IDS)?
7. Question 28: Which is the BEST practice when establishing security zones?
8. Question 29: Security Levels (SLs) are broken down into which three types?
9. Question 30: Which is an important difference between IT systems and IACS?
10. Question 31: Which of the following is a recommended default rule for IACS firewalls?