Intermediate
Operating Systems
Q52 / 100
What is a page table walk and what is the multi-level page table?
Correct! Well done.
Incorrect.
The correct answer is B) Traversing hierarchical page tables (2/3/4 levels) to translate a virtual address, reducing page table size for sparse address spaces
B
Correct Answer
Traversing hierarchical page tables (2/3/4 levels) to translate a virtual address, reducing page table size for sparse address spaces
Explanation
A 4-level page table (x86-64: PML4, PDPT, PD, PT) only allocates subtables for used address ranges, handling the 48-bit virtual address space without a 512GB flat page table.
Progress
52/100