HP LoadRunner Interview Questions分析和总结分析和总结.docx

HP LoadRunner Interview Questions分析和总结分析和总结.docx

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LoadRunner(ControllerModule)InterviewQuestions43

Q.1:WhatisthepurposeofusingHP-LoadRunner?

Inrealworldscenario,itisnotpossibletocreatesituationinvolvingsayonethousandusersusingasystemsimultaneouslysoastotestthebehavior.ofthesystemundersuchstressfulconditions.

LoadRunnercancreatesuchasituation.

LoadRunnerartificiallysimulatesseveralthousandusers-whicharecalledVirtualUsers.Theseartificial

/digitallycreatedusersaresimultaneouslyforcedtooperateonthesametask,therebyloadingthesysteminawayitisexpectedtobeloadedbyrealhumanusersinactualpractice.

WithLoadRunnerwecansimulatesituationwithhundredsorthousandsofartificialuserswecanimposedefinite,consistentandrepeatableloadsonthesystemtherebystressingitfromend-to-end.Thiswaywecanemulateseveralbusinessprocessesproductionconditions,whichadeployedapplicationisgoingtoencounter.

LoadRunneraccuratelymeasures,monitors,andanalyzesasystem’sperformanceandfunctionality.

Q.2:Whataretheessentialcapabilitieswelookinatypicalapplicationperformance-testingTool?

Essentialcapabilitiesofanapplicationperformancetestingtoolarethat:

Itmustbeabletotestasystemwhichcombinesmanysoftwareapplicationsandhardwareplatforms.

Itmustbeabletodeterminethesuitabilityofaserverforanygivenapplication.

Itmustbeabletotesttheserverbeforethenecessaryclientsoftwarehasbeendeveloped.

Itmustbeabletoemulateanenvironmentwheremultipleclientsinteractwithasingleserverapplication.

Itmustbeabletotestanapplicationundertheloadoftens,hundreds,oreventhousandsofpotentialusers.

Q.3:Whatarethedrawbacksofmanualloadtestingprocesses?

Loadtestingofacompletesystemcanbedonemanuallybybuildinganenvironmentwheremanyusersworksimultaneouslyonthesystem.Eachuserismadetoworkonhisstandalonemachi

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