Using the table below, perform the OPT page replacement algorithm using 4 frames and calculate the total number of page faults that occur. Remember that all frames are initially empty, so your unique pages will cost one fault each. Note a page fault with an X in the bottom row, and a hit with a . O 676 3 7 29 5 3 7 2 6 6 6 6 6 6 777 77 3 3 3 2 XXOXOX Total page faults: OPT page replacement algorithm using 4 frames and calculate occur. Remember that all frames are initially empty, so your first 1. Note a page fault with an X in the bottom row, and a hit with a 3 7 2 9