B2. Given the network diagram for company XYZ in Figure B2. Design the addressing scheme for the different departments and WAN interfaces using VLSM. The block of IP address space provided is 210.45.22.0/24. Use the starting address 210.45.22.240 for the WAN interfaces. The design should be optimized while meeting the requirements of the company. Sales Department 100 hosts Engineering Department 60 hosts WAN 2 WAN 1 IT Department 10 hosts WAN 3 Management 15 hosts Figure B2 Replicate Table B2 below in the answer booklet and complete it with your network addressing plan. Subnet Sales department Engineering department Management IT department WAN 1 WAN 2 Network address Broadcast address Subnet mask 210.45.22.0 210.45.22.127 255.255.255.128 210.45.22.240 210.45.22.243 255.255.255.252 WAN 3 Table B2 (15 marks)