单选题If a host on a network has the address 172.16.45.14/30, what is the address of the subnetwork to which this host belongs?（）A172.16.45.0B172.16.45.4C172.16.45.8D172.16.45.12E172.16.45.18
单选题
If a host on a network has the address 172.16.45.14/30, what is the address of the subnetwork to which this host belongs?（）
A
172.16.45.0
B
172.16.45.4
C
172.16.45.8
D
172.16.45.12
E
172.16.45.18
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