I/O drivers and utilities are typically found at what protected ring level? A. Ring 1 B. Ring 2 C. Ring 3 D. Ring 0 Solution B. Rings of protection run from ring 0 to ring 3. Ring 2 is the location of I/O drivers and utilities. Answers A, C, and D are incorrect because ring 1 contains parts of the OS that do not reside in the kernel, ring 3 contains applications and programs, and ring 0 is the location of the security kernel.