Which statement is true?（）
- A、An IPv6 address is 64 b long and is represented as hexadecimal characters.
- B、An IPv6 address is 32 b long and is represented as decimal digits.
- C、An IPv6 address is 128 b long and is represented as decimal digits.
- D、An IPv6 address is 128 b long and is represented as hexadecimal characters.
正确答案:D
答案解析:有
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