A national retail chain needs to design an IP addressing scheme to support a nationwide network.
The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per
subnet. Working with only one Class B address, which of the following subnet masks will support an
appropriate addressing scheme? (Choose two.)

A.
255.255.255.0

B.
255.255.255.128

C.
255.255.252.0

D.
255.255.255.224

E.
255.255.255.192

F.
255.255.248.0