Duringaplanningsession,itisdeterminedthatathreenodecluster(Node’A’,Node’B’,andNode’C’)willmeetthecustomer’sapplicationneeds.Node’B’willbeahot-standbyfallovernodeforbothNode’A’andNode’C’resourcegroups.Aserialnetworkforthisclusterwillrequirewhichconnections?()
A.AsingleserialnetworkbetweenNode’A’andNode’B’andNode’C’
B.Apoint-to-pointlinkbetweenNode’A’andNode’C’,andNode’B’andNode’C’
C.AserialnetworkbetweenNode’A’andNode’C’,andaserialnetworkbetweenNode’B’andNode’C’
D.Apoint-to-pointlinkbetweenNode’A’andNode’B’Node’B’andNode’C’andNode’A’adNode’C’
第1题:
Company.comhasathree-nodecluster(Node’A’,Node’B’,andNode’C’)withthreeresourceGroups(rg1,rg2,andrg3).Node’A’hastwiceasmanyCPUsandtwiceasmuchmemoryasthetwotestadddevelopmentNodes’B’and’C’.Duringnormalproductionprocessing,allresourcegroupsareactiveonNode’A’.Whatismostefficientwaytoconfiguretheclustertomanagetheworkload?()
A.Usetheecascadingresourcegroupswhere’rg1’and’rg2’fallovertoNode’B’and’rg3’fallsovertoNode’C’
B.UseDynamicNodePriorityresourcegroupswithaprioritychainconsistingofNode’A’thenNode’B’thenNode’C’
C.Usethreerotatingresourcegroupswith’rg1’and’rg2’fallingovertonode’B’and’rg3’fallingovertoNode’C’
D.UpgradeNodes’B’and’C’tobeequaltoNode’AinCPUandmemoryresourcestoenable theclustertosynchronizethreeresourcegroups
第2题:
Anadministratorhasconfiguredatwonodecluster,Node1andNode2withtworesourcegroups,RG1andRG2.
Theresourcegroupsareconfiguredasfollows:
RG1:
ParticipatingNodes:Node1,Node2
StartupPolicy:OnlineOnHomeNodeOnly
FalloverPolicy:FalloverToNextPriorityNodeInTheListFallbackPolicyNeverFallback
RG2:
ParticipatingNodes:Node2,Node1
StartupPolicy:OnlineOnHomeNodeOnly
FalloverPolicy:FalloverToNextPriorityNodeInTheListFallbackPolicy:FallbackToHigherPriorityNodeInTheList
AnOnlineonDifferentNodesDependencyhasbeenconfiguredas:HighPriorityResourceGroups:RG2
IntermediatePriorityResourceGroup:RG1
TheclusterhasbeenrunningwithoutanyproblemswithbothresourcegroupsontheirhomenodeswhenNode1suffersacriticaloperatingsystemproblemcausingthenodetohalt.Whatisthestatusoftheresourcegroups?()()
第3题:
设链表中的结点是NODE类型的结构体变量,且有NODE*p;为了申请一个新结点,并由p指向该结点,可用以下语句()。
Ap=(NODE*)malloc(sizeof(p));
Bp=(*NODE)malloc(sizeof(NODE));
Cp=(NODE)malloc(sizeof(p));
Dp=(NODE*)malloc(sizeof(NODE));
第4题:
Company.comhasafour-nodecluster(nodes’A’,’B’,’C’,and’D’).ThenodesaresetupinResourcegrouppairs.Node’A’fallsovertoNode’B’,andNode’C’fallsovertoNode’C’.Duringamaintenancewindows,itwasdiscoveredthatthesixresourcegroupsonNode’A’aretoomuchtobeadequatelyhandledbyNode’B’.Whatcouldbedonetobetterutilizetheavailableresourcesduringfallover?()
A.ImplementWorkLoadmanagersothattheapplicationmonitorsforadditionalresourcerequirements.
B.Addafifthnodetofunctionasaloadlevelerinordertocontrolthedispatchingoftheresourcejobs.
C.ImplementDynamicNodePrioritiesintheresourcegroupsinordertofindanodewithsuitable systemresources.
D.ReducethenumberofresourcegroupsonNode’A’to1inordertoensurefasterandmorerobustfallovertoasinglesystem.
第5题:
Acustomerhasaresourcegrouprg1configuredonatwonodeclusterwiththefollowingpolicies:Thecustomerhasobservedthefollowingscenariosasnodesjointheclusterduringclusterstartup.Scenario1Node1joinsclusterasfirstnode-rg1isacquiredbyNode1Node2joinsclusterassecondnode-rg1ismovedfromNode1toNode2Scenario2Node2joinsclusterasfirstnode-rg1isacquiredbyNode2Node1joinsclusterassecondnode-rg1remainsonNode2Whichofthefollowingisthereasonforthisbehavior?()
A.rg1isconfiguredwithadelayedfallbacktimer
B.Settlingtimepolicyhasnotbeenconfiguredforrg1
C.Node1doesnothavesufficientresourcestosupportrg1
D.Node2isthefirstinthe’DefaultNodePriority’listforresourcegrouprg1