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多选题
The network technician is planning to use the 255.255.255.224 subent mask on the network.which threevalid IP addresses can the technician use for the hosts？（）
A
172.22.243.127
B
172.22.243.191
C
172.22.243.190
D
10.16.33.98
E
10.17.64.34
F
192.168.1.160
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