Use figure 2 to answer the following questions: 172.20.170.128/26 EMASFAT Itd Block-A-PC1 Switcho 21 hosts Block-A-PC2 Block-B-PC1 Routers Switch 50 hosts Block-B-PC2 Switch 10 hosts Block-C-PC1 Block-C-PC2 Fig. 2 Figure is the network of EMASFAT limited company. It has 3 blocks that are 25m away from each other. The ISP has given you a block of IPv4 address of 172.20.170.128/26 has been given to you as the network administrator. Subnet the given block of IP address and ensure there is minimum wastage of IP addresses. a b. Write out the network and the broadcast addresses for each of the blocks: [1.5 Mark] [1.5 Mark] Blocks A B C PCs Block-A-PC1 Block-A-PC2 Use the result from your subnetting to allocate IP address to each of the PCs. Fill the table below with the appropriate allocated address for each of the PCs in decimal format [6 Marks] [3 Marks] [3 Marks] Subnet mask IP address Gateway address Block-B-PC1 Block-B-PC2 Block-C-PC1 Networks Block-C-PC2 broadcasts