The ____________ scheme uses a page table containing pointers to all pages; the page table itself and all updated pages are copied to a new location.
A. Shadow copy
B. Shadow Paging
C. Update log records
D. All of the mentioned
Answer:A
The ____________ scheme uses a page table containing pointers to all pages; the page table itself and all updated pages are copied to a new location.
A. Shadow copy B. Shadow Paging C. Update log records D. All of the mentioned
Explanation:Any page which is not updated by a transaction is not copied, but instead the new page table just stores a pointer to the original page.