单选题The network 172.12.0.0 needs to be divided into subnets where each subnet has the capacity of 458 IP addresses.What would be the correct subnet mask to accomplish this division keeping the number of subnets at the maximum? （）A255.255.254.0B255.255.254.1C255.255.254.2D255.255.254.3
单选题
The network 172.12.0.0 needs to be divided into subnets where each subnet has the capacity of 458 IP addresses.What would be the correct subnet mask to accomplish this division keeping the number of subnets at the maximum? （）
A
255.255.254.0
B
255.255.254.1
C
255.255.254.2
D
255.255.254.3
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