What is the IP address range for the first octet in a class B address, in binary form?（）
- A、00000111-10001111
- B、00000011-10011111
- C、10000000-10111111
- D、11000000-11011111
- E、11100000-11101111
- F、None of the above
正确答案:C
答案解析:有
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