单项选择题
A.Switchover ensures that Layer 2 through Layer 4 traffic is not interrupted
B.Redundancy requires BGP， OSPF， EIGRP， or IS-IS
C.Redundancy provides fast supervisor switchover for all Cisco Catalyst 6500 series switches
D.Switchover can be caused by clock synchronization failure between supervisors
多项选择题 WhichtwocharacteristicsapplytoCiscoCatalyst6500SeriesSwitchsupervisorredundancyusingNSF？（）
多项选择题 CompanyhasaCatalyst6500andyouneedtoconfigureredundancybetweenthesupervisormodules.Withrouteprocessorredundancy（RPR+），theredundantsupervisorengineisfullyinitializedandconfigured，whichshortenstheswitchovertimeiftheactivesupervisorenginefails.WhichthreestatementsaretrueabouttheRPR+operationswhentheredundantsupervisorengineswitchedoverthefailedprimarysupervisorengine？（）
多项选择题 AnSVIhasbeenconfiguredonadevice.Whichtwostatementsaretrueaboutaswitchedvirtualinterface（SVI）？（）