单项选择题
The ERX Edge Router responds to a received PPP over Ethernet Active Discovery Initiation （PADI） with which message type？（）
A.PPPoE Active Discovery Offer B.PPPoE Active Discovery Initiation C.PPPoE Active Session Confirmation D.PPPoE Active Session Acknowledgment
单项选择题 WhichconfigurationcommandrepresentsastaticcustomerrouteinaRouted1483network？（）
单项选择题 Inabridged1483network，whatconfigurationcommandallowstheERXEdgeRoutertoadvertisecustomernetworksintotheprovider’sIGP？（）
单项选择题 WhichcommandconfiguresanATMPVCinaBridged1483network？（）
