多项选择题
A.show ip ospf
B.show ip protocols
C.show ip ospf neighbor
D.show ip ospf interface
单项选择题 You have a multi-area OSPF network and you’re concerned because one of the sites is havingconnectivity problem to resources in a different area. Which IOS privileged mode command wouldyou enter to confirm that your network： （A） has a path to its ABR， （B） has a path to its ASBR， and （C）the SPF calculation is functional？（）
单项选择题 WhichcommandshouldyouusetoverifywhatnetworksarebeingroutedbyagivenOSPFprocess？（）
多项选择题 Whiletroubleshootingsomeconnectivityissues，youissuethe"showipospfdatabase"inordertoexaminethelinkstatedatabase.WhichthreeofthestatementsbelowaretrueregardingtheOSPFlinkstatedatabase？（）