When the foreign tourist saw the Great Wall, he said,"______!"
A.How a great wall it is
B.What a great wall it is
C.How great a wall is it
第1题
A.DataisaccessedusingNFSorCIFS.
B.Dataisaccessedattheblocklevel.
C.NASisreferredtoascaptivestorage.
D.Storagedevicescanbesharedbetweenusers.
E.ANASimplementationisnotasfastasaDASimplementation.
第2题
A.Theaccesslayeristhefirstoversubscriptionpointinadatacenterdesign.
B.WhenusingaLayer2loop-freedesign,VLANsareextendedintotheaggregationlayer.
C.WhenusingaLayer2loopeddesign,VLANsarenotextendedintotheaggregationlayer.
D.WhenusingaLayer3design,statefulservicesrequiringLayer2connectivityareprovisionedfromtheaggregationlayer.
E.Thedatacenteraccesslayerprovidesthephysical-levelconnectionstotheserverresourcesandonlyoperatesatLayer3.
第3题
A. Voice needs to be assigned to the hardware priority queue.
B. Voice needs to be assigned to the software priority queue.
C. Call signaling must have guaranteed bandwidth service.
D. Strict-priority queuing should be limited to 50 percent of the capacity of the link.
E. At least 33 percent of the link bandwidth should be reserved for default best-effort class.
第4题
A.Partitioningofnetworkresourcesisenabled.
B.VRFscannotsupportpathisolationfromMAN/WANdesigns.
C.VRFscannotbeusedtomapavirtualizeddatacentertoaMPLSimplementation.
D.VRFsdonotallowfortheuseofapplicationserviceswithmultipleaccesstopologies.
E.AnaccessdesignusingaVRFallowsforanaggregationlayerservicemodulesolution.
第5题
A.Troubleshootingismorecomplicated.
B.Serviceandswitchmodulesareunderutilized.
C.Layer2adjacencyisrequiredwiththeserversthatusethisdesign.
D.Layer3adjacencyisrequiredwiththeserversthatusethisdesign.
E.Loadbalancingwillalwaysoccuracrossbothaccesslayeruplinks.
第6题
A.CST
B.MST
C.STP
D.PVST+
E.RPVST+
第7题
A.Summarizedatacentersubnets.
B.Usepassiveinterfacestoensureappropriateadjacencies.
C.TunetheEIGRPtimerstoenableEIGRPtoachievequickerconvergence.
D.Adjustthedefaultbandwidthvaluetoensureproperbandwidthonalllinks.
E.Advertiseadefaultsummaryrouteintothedatacentercorefromtheaggregationlayer.
第8题
A.Neverusepassiveinterfaces.
B.UseNSSAareasfromthecoredown.
C.Usetotallystubareastostoptype3LSAs.
D.UsethelowestEthernetinterfaceIPaddressastherouterID.
E.TuneOSPFtimerstoenableOSPFtoachievequickerconvergence
第9题
A. to ensure a loop-free topology
B. to protect against user-side loops
C. when a VLAN spans access layer switches
D. for the most deterministic and highly available network topology
E. because of the risk of lost connectivity without Spanning Tree Protocol
第10题
A.Server-to-servertrafficalwaysremainsinthecorelayer.
B.TherecommendedpracticeisforthecoreinfrastructuretobeinLayer3.
C.TheboundarybetweenLayer2andLayer3shouldbeimplementedintheaggregationlayer.
D.TheCiscoExpressForwardinghashingalgorithmisthedefault,basedontheIPaddressandLayer4port.
E.CorelayershouldrunBGPalongwithanIGPbecauseiBGPhasaloweradministrativedistancethananyIGP.
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