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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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