Information Security: Principles and Practices 2nd Edition by Jim Breithaupt, Mark S. Merkow

Exercise 5

Which of the following statements pertaining to protection rings is false?

A. They provide strict boundaries and definitions on what the processes that work within each ring can access.

B. Programs operating in inner rings are usually referred to as existing in a privileged mode.

C. They support the CIA triad requirements of multitasking operating systems.

D. They provide users with a direct access to peripherals.

Step 1 of 2

Protection ring

A trusted System uses concepts of protection rings or rings of trust. Protection ring provides mandatory access control (MAC). It does not provide direct access for any peripherals to the user.

Thus, the correct option is.