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Free Cybersecurity Fundamentals Specialist Exam Braindumps
Cybersecurity Fundamentals Specialist Questions 21–25 (page: 6)

Updated On: 4-Sep-2026
Page 6 of 43
PDF with 208 Questions

Which layer in the Open Systems Interconnection (OSI) model would include the use of the File Transfer Protocol (FTP)?

  1. Application layer
  2. Data link layer
  3. Session layer
  4. Transport layer

Answer(s): A



Which of the following is a trend that has caused a significant percentage of security vulnerabilities?

  1. IACS developing into a network of air-gapped systems
  2. IACS evolving into a number of closed proprietary systems
  3. IACS using equipment designed for measurement and control
  4. IACS becoming integrated with business and enterprise systems

Answer(s): D



Why is patch management more difficult for IACS than for business systems?

  1. Overtime pay is required for technicians.
  2. Many more approvals are required.
  3. Patching a live automation system can create safety risks.
  4. Business systems automatically update.

Answer(s): C



Which is a PRIMARY reason why network security is important in IACS environments?

  1. PLCs are inherently unreliable.
  2. PLCs are programmed using ladder logic.
  3. PLCs use serial or Ethernet communications methods.
  4. PLCs under cyber attack can have costly and dangerous impacts.

Answer(s): D



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

  1. Modern IDS recognize IACS devices by default.
  2. They are very inexpensive to design and deploy.
  3. They are effective against known vulnerabilities.
  4. They require a small amount of care and feeding

Answer(s): C



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