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？（）
A.show ip protocols
B.show running-config
C.show ip ospf neighbor
D.show ip ospf border-routers
相关考题
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单项选择题
WhichcommandshouldyouusetoverifywhatnetworksarebeingroutedbyagivenOSPFprocess？（）
A.show ip ospf
B.show ip route
C.show ip protocol
D.show ip ospf database
E.None of the other alternatives apply -
多项选择题
Whiletroubleshootingsomeconnectivityissues，youissuethe"showipospfdatabase"inordertoexaminethelinkstatedatabase.WhichthreeofthestatementsbelowaretrueregardingtheOSPFlinkstatedatabase？（）
A.Each router has an identical link state database
B.External routes are imported into a separate link state database
C.Synchronization of link state databases is maintained via flooding of LSAs
D.Information in the link state database is used to build a routing table by calculating a shortest-path tree
E.By default， link state databases are refreshed every 10 minutes in the absence of topologychanges -
单项选择题
DR （Designated Router） is for environments where many routers on the same network such asEthernet. In the following presented network， all routers are reloaded simultaneously， and DR isselected as expected. What is the CK-RTC status？（）
A.2WAY/BDR
B.FULL/BDR
C.2WAY/DROTHER
D.2WAY/DR
E.FULL/DROTHER
F.FULL/DR
G.None of the other alternatives apply
