Protection Rings Flashcards
1
Q
How many rings does the concept of protection rings have?
A
4 rings (0-3)
2
Q
Ring 0
A
Kernel
3
Q
Ring 1
A
Device drivers
4
Q
Ring 2
A
Device drivers
5
Q
Ring 3
A
Applications
6
Q
Which ring is most privileged?
A
Ring 0 = Kernel
7
Q
Which ring ist least privileged?
A
Ring 3 = Application
8
Q
Another definition of Protection Rings
A
hierarchical protection domains
