Which of the addresses below is an example of a valid unicast address?（）
- A、172.31.128.255./18
- B、255.255.255.255
- C、192.168.24.59/30
- D、224.0.0.5
- E、All of the above
正确答案:A
答案解析:有
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Which of the addresses below is an example of a valid unicast address?（）
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