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 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]?（）
