多项选择题
You are modifying the default route preference under the [edit protocols] hierarchy.In which two routing information sources can you change the default preference value?（）
A. local B. OSPF C. direct D. BGP
单项选择题 What is the default protocol preference for OSPF internal routes?（）
多项选择题 Which two statements are correct regarding default protocol preference values?（）
单项选择题 What is the default route preference value for EBGP?（）
