单项选择题
A.show ip ospf B.show ip route C.show ip protocols D.show ip ospf database E.None of the other alternatives apply
AtwhichlayeroftheOSImodeldoestheSpanningTreeProtocol（ST...
单项选择题At which layer of the OSI model does the Spanning Tree Protocol （STP） operate at？（）
A.Layer 5 B.Layer 4 C.Layer 3 D.Layer 2 E.Layer 1
Which command would display OSPF parameters such as fil...
单项选择题Which command would display OSPF parameters such as filters，default metric，maximum paths，and number of areas configured on a outer（）
A.show ip protocol B.show ip route C.show ip ospfinterface D.show ip ospf E.show ip nterface F.None of the other alternatives apply
An OSPF link can be in multiple states at any givenmome...
多项选择题An OSPF link can be in multiple states at any givenmoment(ie.Exstart,exchange,full). Which two IOS commands let you view the state of the link（）
A.show ip ospf B.show ip protocols C.show ip ospfneighbor D.show ip ospfinterface
