Given the following Network address and conditions, calculate the information listed below for the $2$nd

available subnet.

Network: $128\mathrm{.}1\mathrm{.}2\mathrm{.}3$ You need $68$ hosts with as many subnets as possible.

a$.$ Subnet Mask: $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

b$.$ Subnet Address: $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

c$.$ First Usable Host Address: $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

d$.$ Last Usable Host Address: $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

e$.$ Broadcast Address: $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

f$.$ Number of Usable Subnets: $\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

g$.$ Number of Usable Hosts$/$Subnet: