单选题What is the purpose of the magic number in an LCP negotiation?（）A It is used to detect loops.B It is an interface identifier.C It selects a compression algorithm.D It specifies the transmission media.
题目
单选题
What is the purpose of the magic number in an LCP negotiation?（）
A
It is used to detect loops.
B
It is an interface identifier.
C
It selects a compression algorithm.
D
It specifies the transmission media.
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参考答案和解析
正确答案：
B
解析：
暂无解析