2013年3月7日 星期四

A national retail chain needs to design an ip addressing scheme to 漫步雲端 214

A national retail chain needs to design an ip addressing scheme to support a nationwide network .
The company needs a minimun 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?

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