Answer the following questions related to VLSM (20 marks) The network administrator has set up the network topology for the SDC company. . The details of the topology of the network are as follows: Admin:has 3PCs, 3Vold phones, 1 network printer and 1 server connected to 1 switch* Programmer: has 40 Laptops, 40 Vold phones, 8 network printers and 5 servers connected to 4 switches* Tester: has 20 Laptops, 20 Vold phones, 2 Network printers and 5Servers connected 2 switches* Visitor:can accommodate up to 9 smart devices connected to 2 access points* Support:has 2 PCs and 1 Vold phones connected to switch*. WAN: routersR-1and R-2are connected using serial ports. Switches and access point(s) should be accessible remotely (an IP address should be assigned for the switch/access point). A. Determine the number of hosts for each of the six networks? (7 marks) Show the steps you followed to obtain the number of hosts B. Determine the number of prefix for each network (7 marks) Show the steps you followed to obtain the prefix of the first LAN (Admin) or any other LAN. C. Subnet the address block 140.20.30.0/24 as appropriate to provide an efficient use of the addresses but at the same time providing sufficient addresses for all groups and links. (6 marks) (Present your answer in a table similar to table1) Network name Prefix/ mask Network/subnet. address Address Range Broadcast address Table 1