单项选择题
A.red
B.white
C.green
D.yellow
单项选择题 What is the maximum number of input policy lists that you can attach to an IP interface?()
多项选择题 When an LNS sends a Start Control Connection Reply to a LAC,which three parameters can be conveyed?()
单项选择题 Which attribute uniquely identifies the L2TP connection between the router and the L2TP network server?()