判断题
A.在interface视图下,执行命令ospfcostB.在ospf视图下,执行命令interfacecostC.在ospf视图下,执行bandwidth-referenceD.在interface视图下,执行命令bandwidth-reference
A.display current-configuration interface Ethernet0/0 B.display ip routing-table protocol ospf C.display ospf error D.display current-configuration configuration ospf