心脏复苏时心内注药，首选药物是A．肾上腺素B．去甲肾上腺素C．异丙肾上腺素D．利多卡因E．阿托品

A.DD：DD：DD：DD：DD：DD

B.172.168.10.99

C.CC：CC：CC：CC：CC：CC

D.172.168.10.65

E.BB：BB：BB：BB：BB：BB

F.AA：AA：AA：AA：AA：AA

A.Youcanreduceoutage1to3secondsbyusingSSOinLayer2environmentorCiscoNSFwith SSOinaLayer3environment.

B.SSOandNSFeachrequirethedevicetoeitherbegracefulrestart-capableorgraceful-aware.

C.InafullyredundanttopologyaddingredundantsupervisorawithNSFandSSOmaycauselongerconvergencetimesthansinglesupervisorswithturnedIGPtimes

D.TheprimarydeploymentscenarioforCiscoNSFwithSSOisintheDistributionandCorelayers.

E.CiscoNSF-awareneighborrelationshipareindependentofanyturnedIGPtimes

A.Adjustthedefaulthellotimerstothreesecondsforaggressivemode

B.Enableitinglobalmodeandoneveryinterfaceyouneedtosupport

C.Enableitinglobalmodetosupporteveryindividualfiber-opticinterface

D.Enableittocreatechannelscontaininguptoeightparallellinksbetweenswitches

A.CST

B.MST

C.STP

D.PVST+

E.PVRST+

A.Voiceneedstobeassignedtothehardwarepriorityqueue

B.Voiceneedstobeassignedtothesoftwarepriorityqueue

C.Callsignalingmusthaveguaranteedbandwidthservice

D.Strict-priorityqueuingshouldbelimitedto50percentofthecapacityofthelink

E.Atleast33percentorthelinkbandwidthshouldbereservedtordefaultbesteffortclass

A.EIGRPquerieswillbethemostsignificantissuewithrespecttostabilityandconvergence

B.EIGRPqueriesarenotaconsiderationaslongasEIGRPhasafeasiblesuccessorwithanexthopADthatisgreaterthantheFDofthecurrentsuccessorroute

C.EIGRPquerieswillonlyincreasetheconvergencetimewhentherearenoEIGRPstubsdesignedinthenetwork

A.RoutedmoderequirestheACErunOSPForEIGRP

B.BridgedmodeswitchesapacketbetweenthepublicandtheprivatesubnetswhenitseesitsMACaddressasthedestination

C.Two-armedmodewillplacetheSLBinlinetotheservers，withdifferentclient-sideandaserver-sideVLANs

D.One-armedmode，whichusesthesameVLANfortheclient，theACE，andtheservers，requiresatraffic-diversionmechanismtoensurethetrafficreturnfromtheserverpassesthoughtheACE

A.198.133.219.17

B.192.168.1.245

C.10.15.250.5

D.128.107.12.117

E.192.15.301.240

F.64.104.78.227

A.可以将设备配置为较高的传输优先级

B.堵塞信号表示冲突已消除，介质不再占用

C.设备侦听并等到介质未被占用后再传输

D.冲突后只有拥有电子令牌的设备才能传输

E.网段中的所有设备都知道网络介质中传输的数据

F.检测到冲突后，主机可以在随机延迟时间到期后尝试重新传输

A.全双工模式下不存在冲突

B.每个节点都需要一个专用交换机端口

C.集线器端口将预先配置为全双工模式

D.主机网卡在传输数据之前必须检查介质的可用性

E.主机网卡和交换机端口必须都处于全双工模式