a) How many host addresses can be assigned with a subnet mask of 255.255.252.07 Give a brief description of how you calculated the result. 4. b) Given 128.62.33.4 and 128.62.48.5 and /19 for both as the subnet mask: What is the Network address and respective host addresses? Are they on the same subnet? Yes or No circle one Network address: Host 1 address part: Host 2 address part