CISSP Question of the Day – 8-9-2016

Getting You Prepped for the CISSP Exam ...One Question at a Time!

Today’s CISSP question topic: Computer System Architecture

What is the purpose of protection rings (also called protection domains) in a computer system?

  1. To prevent processes from making unauthorized modifications to data or system settings.
  2. To control system resource usage and improve overall performance.
  3. To reduce memory errors by implementing an error-correcting code (ECC) when reading/writing data to RAM.
  4. To defend against race conditions within a system.
  5. To prevent unauthorized processes from using TCP or UDP ports in violation of system security settings.



Check Your Answer


  1. To prevent processes from making unauthorized modifications to data or system settings.

Supporting Links:
  1. https://en.wikipedia.org/wiki/Protection_ring


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About the Author

Colin Weaver

Colin Weaver is co-owner and lead instructor at ITdojo, Inc., a network security and information assurance training center and consulting firm located in Virginia Beach, VA. His passion for technology, networks, and security has led him to become enthralled with the idea of IPv6 and its implementation. In this blog he will share with you glimpses of what he has learned and a hint at what you’ll learn in his classes.