找考题网-背景图
单项选择题

A.The ERX router sends an Active Discovery Off ermessag……

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.