Question

The selector RPL that uses a less trusted privilege than the current privilege level for further use is known as

(a) Least task privilege level

(b) Descriptor privilege level

(c) Effective privilege level

(d) None of the mentioned

I had been asked this question in a national level competition.

Question is taken from Privilege topic in chapter 80286-80287-A Microprocessor with Memory Management and Protection of Microprocessor

Answer 1

The correct answer is (c) Effective privilege level

Explanation: A selector RPL uses a less trusted privilege than the current privilege level for further use. This is known as the Effective Privilege Level of the task.