1.InOceanstor9000,whichiswrongaboutWushanFSglobalcachetechnology?
ATheGlobalCacheinWushanFSlogicallyformsthememoryspaceonallstorageserversintoan overallmemoryresourcepool
BThedatainthecacheofacertainnodecannotbehitbythereadandwriteservicesofothernodes
CGlobalcachetechnologyhelpstoimprovenodememoryresourcesharing
DWushanFSusesdistributedlockstoimplementglobalcachedatamanagementThesamebusiness dataisonlycachedonacertainnodeWhenothernodesneedtoaccessthedata,theycanobtainthe cacheddatabyapplyingforlocks
Answer:B
2AnenterprisecustomerplanstopurchaseHuaweiOceanstor9000tomeetits10PBdatastorage requirements.ThecustomerchoosestheC36nodeofOceanstor9000.Thenodeisequippedwith4T SATAdisks,andthenodesuse4+2distributedRAIDstorageAssumingthatthesystemloss(including metadataandsystemdatapossession,harddiskloss,etc.)is10%,theoretically,howmanyC36nodes doesthecustomerneedtopurchaseatleasttomeettheirbusinessdatastorageneeds? A.119
Answer:C
3WhichofthefollowingstatementsabouttheN8500configurationprocessiscorrect?
AWelcomeWizard-->ConfirmNetworking-->SelectConfigurationFile-->ConfigureStorage Unit-->ConfigureNASEngine-->ConfigureDeviceLocation-->CompleteDeployment
BConfirmnetworking-->WelcomeWizard-->SelectConfigurationFile-->ConfigureStorageUnit--> ConfigureNASEngine-->ConfigureDeviceLocation-->CompleteDeployment
CConfirmnetworking-->WelcomeWizard-->Configurestorageunit-->Selectconfigurationfile--> ConfigureNASengine-->Configuredevicelocation-->Completedeployment
DConfirmnetworking-->WelcomeWizard-->SelectConfigurationFile-->ConfigureNASEngine--> ConfigureStorageUnit-->ConfigureDeviceLocation-->CompleteDeployment
Answer:B
4WhichofthefollowingiswrongabouttheCIFSshareconfigurationofHuaweiOceanstor9000?
A.AfterNotifyisenabledandchecked,aclient'schangeoperationinadirectorycannotbeperceivedby otherclientsthatareaccessingthisdirectoryanditsparentdirectory
BAfterOplock(Opportunisticlocking)isenabled,thefilewillbecachedlocallybeforebeingsenttothe sharedstorage,whichwillhelpimprovetheefficiencyofclientaccess
CAftertheGuestisenabledandchecked,theuserdoesnotneedtoentertheusernameandpassword whenaccessingtheshareddirectoryontheclient
DAfterthemandatorysignatureischecked,theclientwillbeforcedtousethesignaturefunctionIfthe clientisnotsettostart,Oceanstor9000willrejectthedataaccessrequestoftheclient
Answer:A
DownloadvalidHCIP-StorageH13-624V50dumpstopassyourexamsuccessfully
5.Whichofthefollowingstatementsaboutunpackingandinspectioniswrong?
AIfthereisawrongoroutofstockwhenunpackingandinspectingthegoods,pleasefillinthe"Cargo ErrorFeedbackForm"andreportittothelocaloffice
BWhenopeningtheboxforinspection,theengineeringsupervisorcanopentheboxandcheckthe goodsseparately
CIfthegoodsdonotmatchthepackinglist,theequipmentthathasbeenunpackedshouldbe transferredindoorsforproperstorage
Answer:B
6RegardingtheperformanceofharddisksundervarioustypesofHuaweiOceanstor9000nodes,which oneisthecorrectorderfromhightolow?
A.P25NodeSSDharddisk-->P25NodeSASharddisk-->P12SATAharddisk-->P36NodeSATAhard disk-->C36SATAharddisk
B.P25NodeSSDharddisk-->P25NodeSASharddisk-->P12SATAharddisk-->C36SATAharddisk CP25NodeSSDharddisk-->P25NodeSASharddisk-->P36NodeSATAharddisk-->P12SATAhard disk-->C36SATAharddisk
DP25NodeSSDharddisk-->P25NodeSASharddisk-->P36NodeSATAharddisk-->C36SATAhard disk-->P12SATAharddisk
Answer:C
7IntheHuaweiOceanstor9000system,whichclienttypeisnotsupportedbyNFSsharing?
AHostname
BIPaddress
CNetworkgroup
DADdomain
Answer:D
8TheinfoEqualizerfunctionofHuaweiOceanstor9000(30)isrestrictedbythelicense,includingthe applicationofdynamicnames,staticdomainnames,andpartitionfunctions,andsupportsscheduling loadsinaround-robinmanner
A.TRUE
BFALSE
Answer:B
9.WhenaccessingtheOceanstorSystemRepoterreporttool,youneedtoenterhttps://IP:8088inthe browseraddress:wheretheIPisthebusinessmanagementIPoftheOceanstor9001system
ATRUE
BFALSE
Answer:B
10TheofflineupgradeprocessoftheHuaweiOceanstor9000softwareversionwillinterruptbusiness operation,andthebusinessinterruptiontimedependsontheupgradeexecutiontime
ATRUE BFALSE
Answer:A
11.WhichofthefollowingisnotafeatureoftheHuaweiWushanFSfilesystem?
APerformanceandcapacitycanbeexpandedindependently BFullysymmetricaldistributedarchitecturewithmetadatanodes
CMetadataisevenlydistributed,eliminatingtheperformancebottleneckofmetadatanodes
DSupport40PBsinglefilesystem
Answer:B
12Thereisauserwhosequotatypeiscapacityquota,andthequotamethodismandatoryquotaThe recommendedthresholdforthisuser'susagecapacityis
3GB,thesoftthresholdis4GB,thehardwarethresholdis6GB,andthegraceperiodis10days.Whichof thefollowingoptionsisincorrect?
A.Whenthestoragespaceusedbytheuserreaches3GB,thesystemwillnotreportanalarm,andthe usercancontinuetowrite
B.Whentheuser'susedstoragespacereaches5GB,andthestoragecapacityexceeds4GBfor11days, theuserwillberestrictedfromwritingdata
C.Whentheuser'susedstoragespacereaches4GB,thesystemwillreportanalarm,andthedata writingwillnotberestrictedwithinthegraceperiod
DWhentheuser'susedstoragespacereaches6GB,thesystemwillprohibitdatawriting
Answer:A
13WhichofthefollowingdescriptionsaboutWushanSQLiswrong?
AEachnodeinWushanSQLsharessystemresourcessuchasCPU,memory,andstoragewitheach other
BInWushanSQL,businessdataisscatteredonmultiplephysicalnodes,anddataanalysistasksare pushedtothenodeswherethedataresidesforexecution
CWushanSQLneedstobecoordinatedthroughthecontrolmoduletocompletelarge-scaledata processing
DAllbusinessdatainWushanSQLisredundantlystoredindifferentstoragenodes
Answer:A
14.BetweenthetwonodesoftheHuaweiN8000(V200R001)clusterNAS,howmanylinesof redundancyaretherebetweentheheartbeatlinks? A.1 B2 C3 D4
Answer:B
15WhenmaintainingtheHuaweiOceanstor9000system,specialpersonnelarerequiredtokeepthe rootpasswordofthesystemPayattentiontoencryptionwhenpassingthepassword,andtrytoavoid passingthepasswordbyemail
B.FALSE
Answer:A
16AmongthenodetypesofOceanstor9000,thenodethatdoesnotneedtoconsiderIPMImanagement networkingistheC72node
ATRUE
BFALSE
Answer:A
17WhenauseranalyzedhisproductionequipmentOceanstor9000withSystemreporter,hefoundthat theCPUutilizationrateofsomenodesinacertainpartitionexceeded80%,buttheaverageCPU utilizationratewasabout50%.Inaddition,hefoundthatthereadandwritebandwidthofacertainnode remainedwithintheperformancespecificationMorethan80%ofallnodes,andlessthan60%ofother nodes.Inthisscenario,whichofthefollowingloadbalancingstrategiesisrecommended?
ARoundRobin
B.ByCPUutilization
CThroughputbyNode
D.Comprehensivenegativeresultsbynode
Answer:D
18IntheOceanstor9000system,ifanodeisofflinefor2daysduetoapowermodulefailureandthen returnstonormalagain,iftheadministratordoesnotmanuallyrestorethedatatothenode,thesystem willautomaticallyrestorethedatathathaschangedduringtheofflinetimeUpdatetotherecoverednode
ATRUE
BFALSE
Answer:A
19Thefollowingcommandsaboutdetectingthenetworkontheswitchside,thefirstdescription:the displayIntercommandcanbeusedtoviewinterfacestatisticsandcheckwhethertheswitchrecords interfacepacketlossTheseconddescription:displaylogbuf,ifdiscarding,payattentiontowhetherthere isaloopintheback-endnetwork.
ABothdescriptionsarecorrect
B.Thefirstistrueandthesecondisfalse
CThefirstiswrongandthesecondiscorrect
D.Botharewrong
Answer:A
20WhichofthefollowingstatementsaboutOceanstor9000maintenanceisincorrect?
AThesystemprovidesanadmin(superadministrator)accountbydefault,whichcannotbedeleted
BOnlysuperadministratorscanexecutethecreatesystemusercommandtocreateusers
CTochecktheinformationofallaccounts,youcanusethecommandcat/etc/passwd
Dps-efcommandtocheckTCPservice/port
Answer:D
21.HuaweiOceanstor9000realizesstorageofunstructureddatathroughWushanSQL,andcompletes dataanalysisthroughFusionInsight
A.TRUE BFALSE
Answer:B
22Inacity,iftheMunicipalPublicSecurityBureauneedstoregularlyarchivethevideosurveillance withinthejurisdictionofeachpolicestation,insuchanapplicationscenario,ifthesolutionprovidedby Oceanstor9000VIRC30isused,whichnodetypeshouldthecustomerrecommend?
AP12node
BP24node
C.P36node
DP72node
E.C36node
Answer:E
23IntheHuaweiOceanstor9000storagesystem,whenacertainInfoReplicatorisinasplitstate,which ofthefollowingstatementsisincorrect?
APairsplitoccurs,thepossiblereasonistemporarylinkabnormalityornetworkbandwidthexpansion BAtthistime,themaster-slaverelationshipofthedirectoriesatbothendsspecifiedbyPairremains unchanged
CWhenthepairisresynchronized,thedifferencedatathatwasnotcopiedtothesecondarydirectory duetothesplitoperationofthelastsynchronizationandthesynchronizedquantityneedtobe synchronized
Answer:C
24IntheHuaweiOceanstor9000system,iftheaccessstoragesystemnodesoftheclientareunevenly distributed,afterreadjustingthepartition,itisnecessarytouninstalltheshareddirectoryoneachclient andremountitwiththeassigneddomainname.
ATRUE B.FALSE
Answer:A
25WhenaccessingtheLinuxclientoftheHuaweiOceanstor9000cluster,youcanadjusttheclient parameterstoimproveaccessperformance.Whichofthefollowingiswrong?
ANFSusestheTCPprotocoltosendandreceivedataProperlyincreasingthebuffersizecanspeedup theTCPtransmissionspeed
BEnablingjumboframescanreduceTCPlossandimproveperformanceThepremiseistoconfirmthat allnetworkdevicesbetweentheOceanstor9000front-endnetworkinterfaceandtheclientinterfacemust supportjumboframes
CInordertosupportjumboframes,allcorrespondingOceanstor9000nodesneedtobesetaccordingly DOceanstor9000supportsjumboframes,anditisnecessarytosettheMTUofallfront-endand back-endbusinessnetworkports
Answer:D