11. (15 points) Consider a disk queue holding requests to the following cylinders in the listed order: 30, 60, 85, 90, 100, 150. Using each of following scheduling algorithms, what is the order that the requests are serviced, assuming that the disk head is at cylinder 88 and is currently moving toward the cylinders with higher numbers? (a) SSTF (b) SCAN (c) C-SCAN (d) LOOK (e) C-LOOK (6 6 4 8 3