CCNA Cisco Certified Network Associate (#202)

Section: Version 3.0

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 two of the following subnet masks will support an appropriate addressing scheme? (Choose two.)

255.255.255.0
255.255.255.128
255.255.252.0
255.255.255.224
255.255.255.192
255.255.248.0