软件测试选择题总结.docx

软件测试选择题总结.docx

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软件测试选择题总结

1.1Whatissoftwaretesting?

（c）Itistheprocessofexecutingaprogramwiththeintentoffindingerrors.

1.2Whyshouldtestingbedone?

（b）Tofinderrorsinaprogram

1.3Whichphaseconsumesmaximumefforttofixanerror?

（c）Codingphase

1.4Whichobjectiveismostdifficulttoachieve?

（c）Executeeverypathofaprogramatleastonce

1.5Softwareerrorsduringcodingareknownas:

（a）Bugs

1.6Thecostoffixinganerroris:

（b）Moreincodingphasethanrequirementsanalysisandspecificationphase

1.7Betatestingisdoneby:

（c）Potentialcustomers

1.8Alphatestingiscarriedoutatthe:

（a）Developer’ssiteinacontrolledenvironment

1.9Thepurposeofacceptancetestingis:

（a）Toperformtestingfromthebusinessperspective

1.10Acceptancetestingisdoneby:

（b）Customers

1.11Programis:

（a）Subsetofsoftware

1.12Whichisnotaninfrastructuresoftware?

（d）ResultManagementSoftware

1.13Softwareshouldhave:

（c）Programs+documentation+operatingprocedures

1.14Conceptsofsoftwaretestingareapplicableto:

（d）Alloftheabove

1.15CASEToolis:

（a）ComputerAidedSoftwareEngineeringTool

1.16Onefaultmayleadto:

（d）Alloftheabove

1.17Testsuiteofaprogramisa:

（c）Setofoutputswithpost_conditions

1.18AlphaandBetatestingtechniquesarerelatedto:

（d）TestingbyCustomer

1.19Testingasoftwareisprimarilyfocusedon:

（c）Verificationandvalidationactivities

1.20Testingasoftwarewithrealdatainrealenvironmentisknownas:

（b）Betatesting

1.21Verificationactivitiesare:

（d）Alloftheabove

1.22Validationactivitiesare:

（a）Dynamicactivitiesandrequireprogramexecution

1.23Whentheoutputofaprogramisdifferentfromtheexpectedoutput,itisknownas:

（c）Afailure

1.24Softwaretestingactivitiesshouldbestarted:

（c）Asearlyaspossibleinthesoftwaredevelopmentlifecycle

1.25Softwaretestingactivitiesareimportantin:

（d）Alloftheabove

1.26Thefocusofacceptancetestingis:

（d）Totestfromtheuser’sperspective

1.27Areliablesoftwareisonewhichis:

（c）Unlikelytocausefailures

1.28Whentostoptestingandreleasethesoftwaretocustomersshouldbedecidedonthebasisof:

（c）Testmetrics

1.29Whatarethegoodsoftwaretestingpractices?

（d）Alloftheabove

1.30Whatisatestcase?

（a）Input（s）,expectedoutput（s）,pre_condition（s）andpost_condition（s）

1.31Youcannotcontrolwhatyoucannot:

（b）Measure

1.32Whatisthemajorbenefitofverificationsintheearlyphasesofthesoftwaredevelopmentlifecycle?

（b）Itreducesdefectmultiplication

1.33Behaviouralspecificationsarerequiredfor:

（a）Modelling

1.34Which,ingeneral,istheleastexpectedskillofatestingperson?

（a）Diplomatic1.35Debuggingofaprogramis

（b）Theprocessofidentifyingafaultandremovingitfromtheprogram

1.36Allvalidationactivitiescomeunderthecategoryof:

（a）Dynamictesting

1.37Allverificationactivitiescomeunderthecategoryof:

（b）Statictesting

1.38Whichisnotafactorofsoftwarequality?

（d）Functionality

1.39Whichisthemostimportantfactorofsoftwarequality?

（a）Reliability

1.40Qualityassuranceactivitiesconcentrateon

（d）Softwareprocesses

1.41Whichisnotthequalityofatestingperson?

（a）Judgmental

1.42Whatshouldbethebestpossibleobjectivefortesting?

（b）Executeeverypathatleastonce

1.43Whichisnotausermanual?

（c）Sequencediagrams

1.44Whichisnotadocumentationmanual?

（d）Installationguide

1.45Whileisnotthelimitationoftesting?

（b）Availabilityoftestingtools

1.46Howmuchpercentageofcostisgenerallyconsumedinsoftwaretestingwithreferencetosoftwaredevelopmentcost?

（b）40-50

1.47Howmuchtestingisenough?

（a）Noteasytodecide

1.48Ifanexpectedouputisnotspecifiedthen:

（c）Wecannotexecutethetestcase

1.49Whichofthefollwingisareasonforasoftwarefailure?

（b）SoftwareFault

1.50Whyisitimpossibletotestaprogramcompletely?

（a）Inputdomainistoolargetotest

2.1Whatisfunctionaltesting?

（b）Testcasesaredesignedonthebasisoffunctionality,andinternalstructureofthesourcecodeiscompletelyignored.

2.2Whichofthefollowingstatementiscorrect?

（a）Functionaltestingisusefulineveryphaseofthesoftwaredevelopmentlifecycle.

2.3Whichofthefollowingisnotaformoffunctionaltesting?

（c）Dataflowtesting

2.4Functionaltestingisknownas:

（c）BehaviourTesting

2.5Forafunctionof‘n’variables,boundaryvalueanalysisgenerates:

（d）4n+1testcases

2.6Forafunctionof4variables,boundaryvalueanalysisgenerates:

（b）17testcases

2.7Forafunctionof‘n’variables,robustnesstestingyields:

（a）6n+1testcases

2.8Forafunctionof‘n’variables,worstcasetestinggenerates:

（c）5ntestcases

2.9Forafunctionof‘n’variables,robustworstcasetestinggenerates:

（d）7ntestcases

2.10Asoftwareisdesignedtocalculatetaxestobepaidasperdetailsgivenbelow:

（i）UptoRs.40,000:

Taxfree（ii）NextRs.15,000:

10%taxNextRs.65,000:

15%tax

（iii）Abovethisamount:

20%tax

Inputtothesoftwareisthesalaryofanemployee.Whichofthefollowingisavalid

boundaryanalysistestcase?

（a）Rs.40,000

2.11‘x‘isaninputtoaprogramtocalculatethesquareofthegivennumber.Therangeforx’isfrom1to100.Inboundaryvalueanalysis,whicharevalidinputs?

（c）1,2,50,99,100

2.12‘x’isaninputtoaprogramtocalculatethesquareofthegivennumber.Therangeforx’isfrom1to100.isfrom1to100.Inrobustnesstesting,whicharevalidinputs?

（a）0,1,2,50,99,100,101

2.13Functionalityofasoftwareistestedby:

（b）Blackboxtesting

2.14Oneweaknessofboundaryvalueanalysisis:

（b）Itdoesnotexplorecombinationsofinputs

2.15Boundaryvalueanalysistechniqueiseffectivewheninputsare:

（b）Independent

2.16Equivalenceclasstestingisrelatedto:

（c）Functionaltesting

2.17Inaroomair>conditioner,whenthetemperaturereaches28oC,thecoolingisswitchedon.Whenthetemperaturefallstobelow20oC,thecoolingisswitchedoff.Whatistheminimumsetoftestinputvalues（indegreecentigrade）tocoverallequivalenceclasses?

（d）19,24,29

2.18Ifaninputrangeisfrom1to100,identifyvaluesfrominvalidequivalenceclasses.

（a）0,101

2.19Inanexamination,theminimumpassingmarksis50outof100foreachsubject.Identifyvalidequivalenceclassvalues,ifastudentclearstheexaminationofallthreesubjects.

（c）60,65,100

2.20Howmanyminimumtestcasesshouldbeselectedfromanequivalenceclass?

（c）1

2.21Decisiontablesareusedinsituationswhere:

（a）Anactionisinitiatedonthebasisofavaryingsetofconditions

2.22Howmanyportionsareavailableinadecisiontable?

（c）4

2.23Howmanyminimumtestcasesaregeneratedbyacolumnofadecisiontable?

（b）1

2.24Thedecisiontablewhichusesonlybinaryconditionsisknownas:

（a）Limitedentrydecisiontable

2.25Incause>effectgraphingtechnique,causesandeffectsarerelatedto:

（b）Inputsandoutputs

2.26Cause>effectgraphingisoneformof:

（d）Functionaltesting

2.27Whichisnotaconstraintapplicableatthe‘causes’sideinthecause>effectgraphingtechnique?

（c）Masks

2.28Whichisnotabasicnotationusedinacause>effectgraph?

（d）NAND

2.29Whichisthetermusedforfunctionaltesting?

（d）Alloftheabove

2.30Functionaltestingdoesnotinvolve:

（a）Sourcecodeanalysis

3.1Cyclomaticcomplexityisdesignedby:

（a）T.J.McCabe

3.2Cyclomaticcomplexitycanbecalculatedby:

（d）Alloftheabove

3.3ThecyclomaticcomplexityequationV（G）=+1isapplicableonlyifeverypredicatenodehas:

（a）Twooutgoingedges

3.4Cyclomaticcomplexityisequalto:

（b）Numberofindependentpathsinagraph

3.5Anodewithindegree0andoutdegree=0iscalled:

（b）Destinationnode

3.6Anodewithindegree=0andoutdegree0iscalled:

（a）Sourcenode

3.7Anindependentpathis:

（a）Anypaththathasatleastonenewsetofprocessingstatementsornewcondition

3.8DDpathgraphiscalled:

（c）Decisiontodecisionpathgraph

3.9Everynodeinthegraphmatrixisrepresentedby:

（a）Onerowandonecolumn

3.10Thesizeofgraphmatrixis:

（b）Numberofnodesintheflowgraph

3.11Aprogramwithhighcyclomaticcomplexityis:

（c）Difficulttotest

3.12Developersmayhavetotakesometoughdecisionswhenthecyclomaticcomplexityis:

（c）15

3.13Everynodeofaregulargraphhas:

（b）Samedegree

3.14Thesumofentriesofanycolumnofincidencematrixis:

（a）2

3.15Thesumofentriesofanyrowofadjacencymatrixgives:

（a）Degreeofanode

3.16Theadjacencymatrixofadirectedgraph:

（c）Maynotbesymmetric

3.17Lengthofapathisequalto:

（d）Thenumberofedgesinapath

3.18Stronglyconnectedgraphwillalwaysbe:

（a）Weaklyconnected

3.19Asimplegraphhas:

（b）Noloopandaparalleledge

3.20Inadirectedgraph:

（b）Edgesaretheorderedpairsofnodes

4.1Whichisnotastructuraltestingtechnique?

（d）Decisiontablebasedtesting

4.2Whichisastructuraltestingtechnique?

（d）Alloftheabove

4.3Dataflowtestingisrelatedto:

（d）Noneoftheabove

4.4Mutationtestingisrelatedto:

（a）Faultseeding

4.5Mutationscoredoesnotindicateanythingabout:

（a）Sizeofatestsuite

4.6100%statementcoverageandbranchcoveragemeans

（c）Everystatementandeverybranchhasbeentested

4.7Howmanytestcasesarerequiredfor100%statementandbranchcoverageofthefollowingsourcecode?

（c）2testcaseforstatementcoverage,2forbranchcoverage.

4.8Whichofthefollowingstatementsabouttherelationshipofstatementcoverageanddecisioncoverageiscorrect?

（b）100%decisioncoverageme