单项选择题
A.auto-configure ip
B.auto-configure ppp
C.auto-configure pppoe
D.auto-configure bridgedethernet
单项选择题 With the command atm bulk-config test vc-range 1 3 200 400, what is the correct interpretation of the numeric values following the vc-range?（）
单项选择题 What does the ip access-routes configuration command accomplish?（）
单项选择题 Which profile configurations allows either PAP or CHAP to be used for authentication?（）