A

IP address: $,192\mathrm{.}168\mathrm{.}40\mathrm{.}75/28$

Subnet mask: $,255\mathrm{.}255\mathrm{.}255\mathrm{.}240$

Network addr: $,192\mathrm{.}168\mathrm{.}40\mathrm{.}48$

Host address: $,192\mathrm{.}168\mathrm{.}40\mathrm{.}65$

Broadcast addr: $192\mathrm{.}168\mathrm{.}40\mathrm{.}79$

B

IP address: $,192\mathrm{.}168.\frac{40\mathrm{.}124}{27}$

Subnet mask: $,255\mathrm{.}255\mathrm{.}255\mathrm{.}224$

Network addr: $192\mathrm{.}168\mathrm{.}40\mathrm{.}96$

Host address: $192\mathrm{.}168\mathrm{.}40\mathrm{.}100$

Broadcast addr: $192\mathrm{.}168\mathrm{.}40\mathrm{.}95$

C

IP address: $,10\mathrm{.}15.\frac{68\mathrm{.}66}{14}$

Subnet mask: $,255\mathrm{.}252\mathrm{.}0\mathrm{.}0$

Network addr: $,10\mathrm{.}12\mathrm{.}0\mathrm{.}0$

Host address: $,10\mathrm{.}11\mathrm{.}0\mathrm{.}1$

Broadcast addr: $10\mathrm{.}15\mathrm{.}255\mathrm{.}255$

D

IP address: $,172\mathrm{.}16\mathrm{.}71\mathrm{.}45/21$

Subnet mask: $,255\mathrm{.}255\mathrm{.}240\mathrm{.}0$

Network addr: $172\mathrm{.}16\mathrm{.}64\mathrm{.}0$

Host address: $,172\mathrm{.}16\mathrm{.}64\mathrm{.}100$

Broadcast addr: $172\mathrm{.}16\mathrm{.}71\mathrm{.}255$

E

IP address: $,172*16*\frac{35\mathrm{.}45}{23}$

Subnet mask: $,255\mathrm{.}255\mathrm{.}254\mathrm{.}0$

Network addr: $172\mathrm{.}16\mathrm{.}34.$

Host address: $172\mathrm{.}16\mathrm{.}34\mathrm{.}255$

Broadcast addr: $172\mathrm{.}16\mathrm{.}35\mathrm{.}255$

Which of these subnets has an incorrect host address?