The security kernel is found at what protection ring level A

The security kernel is found at what protection ring level?

A. Ring 0

B. Ring 1

C. Ring 2

D. Ring 4

Solution

Kernel:
kernel is the central component of computer operating systems. communicating between the data and hardware level

There have 4 rings to protect data and fucntionality from faults

The security kernel is found in Ring 0.

Intel processors allow applications limited powers.
To restrict (protect) critical resources like IO, memory, ports etc,
In level 0 highedt privilege level provided by the cpu