The network technician is planning to use the 255.255.255.224 subent mask on the network.which three valid 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
正确答案:C,D,E
答案解析:有
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