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Free CYBERSECURITY-FUNDAMENTALS-SPECIALIST – Isa CYBERSECURITY-FUNDAMENTALS-SPECIALIST Practice Test Question

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Showing 4–6 of 11 questions

Question 4 (Topic 1)

Security Levels (SLs) are broken down into which three types?

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  • ○ SL-1, SL-2, and SL-3
  • ○ Target, capability, and achieved
  • ○ Target, capability, and availability
  • ○ Target, capacity, and achieved
Question 5 (Topic 1)

Which is an important difference between IT systems and IACS?

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  • ○ The IACS security priority is integrity.
  • ○ The IT security priority is availability.
  • ○ IACS cybersecurity must address safety issues.
  • ○ Routers are not used in IACS networks.
Question 6 (Topic 1)

Which is the PRIMARY reason why Modbus over Ethernet is easy to manage in a firewall?

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  • ○ Modbus uses a single master to communicate with multiple slaves using simple commands.
  • ○ Modbus is a proprietary protocol that is widely supported by vendors.
  • ○ Modbus uses explicit source and destination IP addresses and a single known TCP port.
  • ○ Modbus has no known security vulnerabilities, so firewall rules are simple to implement.