An organization has a class C network 200.1.1 and wants to form subnets for four departments, with hosts as follows
A 72 hosts
B 35 hosts
C 20 hosts
D 18 hosts
There are 145 hosts in all.
(a) Give a possible arrangement of subnet masks to make this possible.
(b) Suggest what the organization might do if department D grows to 34 hosts.