a) Given an IP address 192.168.7.53 and subnet mask is 255.255.255.192. Find the network address, usable host IP address range and broadcast address of all subnets. (8 marks) b) Are Device A and Device B on the same subnet? Justify your answer. Device A IP address: 200.52.7.30/27 Device B IP address: 200.52.7.33/27 (3 marks) c) A company would like to split its network into four subnets to support R&D, Production, Account, and Marketing departments as shown in Table 1. Given IP address is 192.168.32.0/24. Give your best solution to complete this task with minimum waste of IP addresses. Explain your design in detail. (14 marks) Table 1 Department Number of Hosts R&D 50 Production 108 Account 220 Marketing 10