多项选择题
A.Incorrect VTP domain
B.Incorrect VTP password
C.Incorrect VTP mode
D.Incorrect VTP configuration revision
单项选择题 YoureplacedyourLayer3switch，whichisthedefaultgatewayoftheendusers.Manyuserscannotaccessanythingnow，includingemail，Internet，andotherapplications，althoughotherusersdonothaveanyissues.Alloftheapplicationsarehostedinanoutsourceddatacenter.Inordertofixtheproblem，whichoneoftheseactionsshouldyoutake？（）
问答题 在R2的show ip route ospf中，关于R1的loopback0的路由条目下一跳指向哪个路由器。
多项选择题 ThenetworkadministratoristryingtoaddSwitch1tothenetwork，butthe802.1Qtrunkisnotcomingup.Switch1waspreviouslytestedinthelaboratoryanditstrunkconfigurationworkedfine.Whatarethreepossiblecausesofthisproblem？（）