Question 4 (20 pts) The X catering would like to subnet its network (100.0.0.0) so that there are 7 subnets. They will need only 50 hosts in each subnet. Answer each of the following by showing briefly the steps. a What class is the given address? Prove your answer by using the 2 main methods that we have studied. (2 pts) b. What is the default subnet mask? (2 pts) c. What is the Custom subnet mask? (2 pts) d. What are the total number of subnets? (3 pts) e. What are the total number of hosts? (3 pts) f. How many addresses we may use? (1 pts) & How many bits we have to borrow and from where we borrow? (2 pts) h. What is the 4th subnet range? (5 pts)