多项选择题
You are moddifying 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 Which protocol creates a complete database of the network topology prior to calculating the optimal route?（）
单项选择题 Which directory does the Junos OS use to store syslog information by default?（）
单项选择题 Which command do you use to navigate to [edit interfaces]?（）
