3) (a) You are given a subnet 129.82.138.0/24. How would you assign IP addresses (create smaller subnets) that satisfies the following constraints: 6pts Dept A should get 18 addresses Dept B should get 54 addresses Dept C should get 64 addresses 129.82.138.0 is 10000001.01010010.10001010.00000000 in binary. Network Address Subnet Mask Dept A Dept B Dept C (b) Briefly explain how you calculated the subnets. 3 points