Question # $1$

$(8$ Marks$)$

An organization has a class C network: $200\mathrm{.}1\mathrm{.}1\mathrm{.}0/24,$ and it wants to form subnets for $4$ departments with the number of hosts $($including network and broadcast address$)$ as follows:

Subnet A: $72$ hosts

Subnet B: $35$ hosts

Subnet C: $20$ hosts

Subnet D: $16$ hosts

There are $143$ hosts in total.

Provide a possible arrangement of the network address space, together with the respective range of IP addresses for each subnet.