As the network administrator for a new university called DreamUniversity you are given a block address of 200.31.64.0/20 and you are asked to create 4 unique subnets by extending the network address part of the IP block address.

a. Give the number of hosts allowed in the original block (excluding the network address and the broadcast address)

b. Give the number of addresses in each subnet (excluding the network address and the broadcast address)

c. Give the subnet mask of the original block

d. Give the subnet mask of each subnet

e. Give the network address and the broadcast address of each subnet

f. Give the IP address and the subnetmask of three individual computers from each subnet.

g. Draw a simple organization diagram showing the organization of the subnets (assume that the 4 subnets will be used by math,physics, computer science and biology)