Memory management Interview questions

Total available count: 45
Subject - Operating System
Subsubject - Memory management

For which kind of fault the page is checked first?

The page is first checked for the validity fault, as soon as it is found that the page is invalid (valid bit is clear), the validity fault handler returns immediately, and the process incur the validity page fault. Kernel handles the validity fault and the process will incur the protection fault if anyone is present.

Next 5 interview question(s)

How the Kernel handles the copy on write bit of a page, when the bit is set?
What do you mean by the protection fault?
At what mode the fault handler executes?
In what way the validity fault handler concludes?
What are states that the page can be in, after causing a page fault?