单选题Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?（）A The ERX router sends an Active Discovery Off ermessage.B The ERX router sendsan Active Discovery Initiation message.C The customer device sends an A
题目
单选题
Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?（）
A
The ERX router sends an Active Discovery Off ermessage.
B
The ERX router sendsan Active Discovery Initiation message.
C
The customer device sends an Active Discovery Offer message.
D
The customer device sends an Active Discovery Initiation message.
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参考答案和解析
正确答案：
C
解析：
暂无解析