Answer to Mask Design Problem 4
Problem 4 shows a Class A network, with 8 network bits, with a minimum of 9 subnet bits and 9 host bits to meet the required number of subnets and hosts/subnet. The following masks all meet the requirements in this problem, with the masks that maximize the number of hosts/subnet and the number of subnets noted:
255.255.128.0 (maximizes the number of hosts/subnet)
255.255.192.0
255.255.224.0
255.255.240.0
255.255.248.0 ...
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