单选题：Consider a machine with a physical memory of 8 GB, a page size o

Consider a machine with a physical memory of 8 GB, a page size of 4 KB, and a page table entry size of 4 bytes. How many levels of page tables would be required to map a 64-bit virtual address space if every page table fits into a single page?@[C](1)
A. 2
B. 3
C. 4
D. 5



A.2
B.3
C.4
D.5


答案：C