单项选择题
In a bridged 1483 network,which configuration command allows the ERX Edge Router to advertise customer networks into the provider's IGP?（）
A.redistribute direct B.redistribute static C.redistribute connected D.redistribute access-internal
多项选择题 Which two B-RAS service offerings do not require user authentication?（）
单项选择题 Which protocol is used between the RAS and the authentication server in a narrowband network environment？（）
多项选择题 Which two forms of DSL connectivity provide the same bandwidth in both directions？（）
