A. IP access routes
B. MTU size of the interface
C. number of PPPoE session
D. using CHAP for authentication
E. assigning the interface to a virtual router
参考答案:ABE
A. IP access routes
B. MTU size of the interface
C. number of PPPoE session
D. using CHAP for authentication
E. assigning the interface to a virtual router
参考答案:ABE