单项选择题
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 Which configuration command allows the router to utilize a RADIUS server to auth enticate in coming Telnet users？（）
单项选择题 In a PPP over ATM service offering,which command inserts the user's host route into the routing table?（）
多项选择题 In a PPP over ATM service offering,which two methods are available for dynamically allocating an IP address to the customer's device?（）