000341V321.docx
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000341V321.docx
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000341V321
Exam:
IBM000-341
Title:
WebSphereApplicationServerV5.0,MultiplatformAdministration
Version:
V3.21
1.UponmonitoringanapplicationitisfoundthatthepassivationandactivationcountersforEJBsareextremelyhigh.WhatistheBESTchangetobemadetotheserverconfigurationtoimproveEJBsubsystemperformance?
A.IncreasetheJVMheapsize
B.IncreasetheEJBcachesize
C.IncreasetheEJBcachecleanupinterval
D.IncreasethemaximumORBserviceconnectorcachesize
Answer:
B
2.AWebapplicationissuspectedtohavea(concurrentaccess)synchronizationproblem.WhichPMImodulesshouldbemonitoredtotryandisolatetheperformanceproblem?
A.Dynamiccache
B.J2Cconnectors
C.Webapplications
D.JVMruntime
E.Webcontainerthreadpools
Answer:
CE
3.Ahighvolumeapplicationinaclusteredenvironmentusesonlylocalsessions.Occasionallyarequesthavingsessionaffinityisroutedtoanalternativeapplicationserver.Thishappensevenwhentheapplicationserverwithaffinitydoesnotfail.Whatisthemostlikelycontributingfactor?
A.Thesessiontime-outvalueissettoohigh
B.Thesessioncachesizeisconfiguredtobetoosmall.
C.Thewebcontainerthreadpoolfortheapplicationistoosmalloneachserver.
D.Itisthenatureofsessionaffinitywithlocalonlysessions.
Answer:
C
4.Whatshouldanadministratorguaranteetooensurethatthefollowingcommandperformsasexpectedwhenrunonthedeploymentmanagernode?
backupConfigcellBackup-nostop
A.Allapplicationcodemustbepresentonthedeploymentmanagernode.
B.Noconfigurationchangesshouldbemadewhilethecommandexecutes.
C.ThecommandshouldbeprecededbyasyncNodeCommandfromthedeploymentmanagernode.
D.ThefilecellBackupdoesnotalreadyexist.
Answer:
B
5.ConcurrentaccesstoHttpSessionobjectsispossibleinacertainapplication.TheBESTapproachforthesystemadministratortomakethisbehaviorsafeinvolves:
A.Checkingthe?
?
?
Allowserialaccess?
?
àsessionmanagementpropertyfortheinstalledenterpriseapplication.
B.Checkingthe?
?
?
Allowserialaccess?
?
àsessionmanagementpropertyfortheapplicationserveronwhichtheapplicationisinstalled.
C.Checkingthe?
?
?
Allowoverflow?
?
àsessionmanagementpropertyfortheinstalledenterpriseapplication.
D.Havingthedevelopermarkallapplicationmethodsthataccessthesessionassynchronized.
Answer:
A
6.Anenterpriseapplicationhasanexecutionprofilewhere50%oftheHTTPrequestshittheEJBlayer.Whichpairofapplicationserversettingsbestfitthisapplicationprofile?
|.Maximumwebcontainerthreadpoolsize=25
||.Maximumwebcontainerthreadpoolsize=50
|||.MaximumORBservicethreadpoolsize=25
|V.MaximumORBservicethreadpoolsize=50
V.MaximumEJBcachesize=25
V|.MaximumEJBcachesize=50
A.|and|V
B.|and|||
C.||and|||
D.||andV
E.|||andV|
Answer:
C
7.Whichofthefollowingmanualtasksmayneedtobecarriedoutbeforedistributingplugin-cfg.xmltowebservermachines?
A.Editplugin-cfg.xmlVirtualHostnamestocoincidewiththevirtualhostnamesdefinedwithinthecorrespondingwebserver.
B.Editplugin-cfg.xmlabsolutefilepathstoreflectthewebserver?
?
localfilesystem.
C.GeneratethekeyringandstashfileifusingSSLbetweentheplug-inandapplicationservers.
D.Updatethedomainsuffixforeachvirtualhostinplugin-cfg.xml.
Answer:
BC
8.Duringastresstestonanapplication,itwasfoundthattherewasalargenumberofpreparedstatementdiscardsassociatedwithoneDatasource.Allothermetricswerewithinexpectedrange.TheBESTwaytoincreaseperformanceofthisapplicationistomakewhatchangetotheDatasourceproperties?
A.Increasethestatementcachesize.
B.Increasetheminimumconnections.
C.Increasethemaximumconnections.
D.Changethepurgepolicyto?
?
?
EntirePool?
?
à.
Answer:
A
9.AnapplicationserverisclosingHTTPconnectionsprematurely.AssumingthatMaxKepAliveConnectionsisalreadysetat90%ofthemaximumnumberofthreadsintheWebcontainerthreadpool,whatWebcontainersettingshouldbemodifiedtoimprovethissituation?
A.SettheMaxKeepAliveRequestspropertytoasufficientvalue.
B.SettheMaxKeepAliveConnectionspropertytoasufficientvalue.
C.IncreasetheWebcontainerthreadpoolmaximumsize.
D.IncreasetheORBservicethreadpoolmaximumsize.
Answer:
A
10.Whatwouldbethepracticalconsiderationsforcreatingmultiplesmallerapplicationserverseachrunningonedifferentwebapplicationratherthanasinglelargeapplicationserverforanapplicationarchitecture?
A.Theaggregatedplug-inconfigfilewillcontainlesscomplexURIs.
B.Multiplesmallerserversprovidebetterapplicationisolation.
C.TherewillbeadecreaseinresponsetimeduetointerprocessRMI/IIOPcalls.
D.Multiplesmallerserverseliminatesinglepointsoffailure.
Answer:
B
11.InwhichtopologieswouldanadministratorconfiguretheuseofLTPA(LightweightThirdPartyAuthentication)withtheLocalOSuserregistry?
A.Singlenodeconfiguredwithmultipleapplicationservers.
B.Aconfigurationinwhichmultipleauthenticationmechanismsareusedforasecuritydomain.
C.Distributedenvironmentwhichsharesadomainuserregistry.
D.Multiplenodesconfiguredwithmultipleclusters.
Answer:
AC
12.InatypicalWebapplicationrequest/responseinformationflow,whichWebSphereApplicationServerV5.0componentcaninitiallyencrypttherequest?
A.Webcontainer?
?
sembeddedHTTPserver
B.Webserverplug-in
C.EJSServer
D.Webbrowser
E.Applicationserver
Answer:
B
13.Whenfederatinganodeintoacellhowwouldanadministratoraddanapplicationinstalledonthatnodeintothecell?
A.UsetheaddNodeutilitywithoutthe?
§CincludeAppsoptionandinstalltheapplicationonthenode.
B.UsetheaddNodeutilitywithoutthe?
§CsyncNodeoptionandcopytheapplicationbinariestothenode.
C.UsetheaddNodeutilitywiththe?
§CincludeAppsoptionsandconfigurethesynchronizationoptionsonAdminConsole.
D.UsetheaddNodeutilitywiththe?
§CsyncNodeoptionandcopytheapplicationbinariestothenode.
Answer:
C
14.WhatisaffectedinatopologywhichsplitstheWebandEJBcontainerssothattheyruninseparateapplicationservers,eachinadifferentmachine?
A.TheeliminationofnetworklatencyduetoJVMoptimizations
B.Theeliminationofasinglepointoffailure
C.Performanceimprovementduetogreaternumberofinter-processcalls
D.Increasedmaintenancecostsduetoadditionalmachines
15.InaNetworkDeploymentenvironment,whataretheconsequencesofanodeagentfailure?
A.Applicationservercannotbestarted,usingtheadminconsole,untilthenodeagentisrestarted.
B.Thelocalconfigurationmaynotbroadcastchangestothematerconfiguration.
C.Thedeploymentmanager?
?
sfiletransferserviceismadeunavailabletoallnodeagentsinthecell.
D.Theadministrativeconsoleismadeunavailable.
E.Thelocalconfigurationmaynotreflectthemasterconfiguration.
Answer:
AE
16.Whatshouldbeconsideredwhencomparingthehorizontalscalingofanapplicationserver(clustering)versuscreatingmultiplestand-alone(Base)serversonmultiplemachines?
A.Filesynchronizationwilloccurintheclusteredenvironment.
B.Multiplestand-aloneserversonmultiplemachinesprovidefailoversupport.
C.TheHTTPserverplug-indistributesrequestsinmultiplestand-aloneserverenvironments.
D.TheHTTPserverplug-indistributesrequestsinaclusteredenvironment.
E.Multiplestand-aloneserversonmultiplemachinescanbeeasilycombinedintothehorizontallyscaledenvironment.
Answer:
AD
17.WherecananadministratorlocateconfigurationdataforastandaloneWebSphereApplicationServerV5.0installation?
A.AdministrativeRepositoryonthedatabaseserver
B.Masterconfigurationrepositoryonthecellconfigurationrepositoryonthedeploymentmanager
C.Configurationrepositoryonthelocalmachine
D.Cloudscapedatabaseonthelocalmachine
Answer:
C
18.Whichofthefollowingisareasonwhyaconfiguredbindingwouldbenecessary?
A.AllowfederationofCORBAnamespacestothenode?
?
snamespace
B.BindDataStoreJNDInamesexplicitlyatthenodenameserverlevel
C.ConfigureanaliasforaJNDInameinthesystem?
?
spartitionofthenamespace
D.ProvideinteroperabilitywithIBMWebSphereApplicationServerV4clients
Answer:
D
19.AnadministratorhascreatedaVersion5datasource,andhasselectedtheoptiontousethisdatasourceincontainermanagedpersistence.WhichofthefollowingCANNOTusethisdatasource?
A.JDBCapplicationsandservlet2.3components
B.CMPEJB1.xbeanswithaJ2EE1.3deploymentdescriptor
C.CMPEJB1.xbeanswithaJ2EE1.2deploymentdescriptor
D.CMPEJB2.0beans
E.BMPEJB2.0Beans
Answer:
C
20.IfaCMPbeanusesaJ2Cresourceadaptertoaccessabackenddatastore,whichofthefollowingshouldbeconfigured?
A.CMPConnectionFactory
B.Databaseconnectionpool
C.CMPResourceEnvironmentProvider
D.User-definedJDBCProvider
Answer:
A
21.DevelopmentpassesanadministratoranEARfiletobeinstalledfortesting.WhatstepscouldbeperformedwiththeApplicationAssemblyToolpriortoinstallingtheenterpriseapplicationthatmightexposeissueswithintheapplicationcodeortheapplicationpackaging?
A.UsetheAAT?
?
?
Verify?
?
?
?
àoptiontovalidatetheenterpriseapplication.
B.Openindividualmodulesandsearchforbrokenbindings.
C.Examineindividualclassfilesforerrors.
D.SelectJSP?
?
sandclick?
?
?
Pre-compile?
?
à.
E.GenerateEJBcodefordeployment.
Answer:
AE
22.AnewEJBhasbeenaddedtoaJARfilethatispartofanenterpriseapplication.Whatisthe
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