Please answer both 6 and 7

(b) Loopback Addiss 6. What is Karn's algorithm? Explain its significance. An organization is granted a block of addresses with the beginning address 15.15.15.0/24. The organization needs to have 3 subblocks of addresses to use in its 7. dresses, one subblock of 62 addresses, and one2 subblock of 120 addresses. Draw a network topology and Give IP assignments to each subblocks