6. Answer the questions regarding the page table of one process specified below. Assume 4K pages. Virtual Page Frame Number Valid Bit Reference Bit Dirty Bit 0 3 0 . T 0 0 2 0 V 1 1 3 0 0 4 1 0 $ O 0 6 O 0 7 0 0 12 a. (2 points) How many pages of this process are resident in physical memory? What happens when one of the other pages is accessed? b. (3 points) What physical memory address is accessed when the process accesses the virtual address 17199?