单项选择题
A.Physical management of the switch
B.Logical management of the switch
C.In-band management of the switch
D.Out-of-band management of the switch
单项选择题 YouaretroubleshootingaCatalyst5000trunkinthenetwork.Whatshouldyoudoifthere’sadisagreementabouttheVLANsconfiguredtousethetrunk？（）
多项选择题 Youhaveatrunklinkoperatingbetweentwoswitchesandyou’reexperiencingproblemswithframesleakingbetweenthetwoVLANs.Eachswitchhasidenticalmodules，softwarerevisionsandVLANconfigurationinformation.SpanningtreeprotocolisdisabledonallVLANs.Whatisprobablycausingthisproblem？（）
单项选择题 You’reanetworkadministerandyouissuethecommand（showport3/1）onanEthernetport.Toyoursurpriseyounoticeanon-zeroentryinthe’Giants’column.Whatcouldbethecauseofthis？（）