Exam:PSD-I
Title:
ProfessionalScrum
Developer(PSD)
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1.TheDailyScrumeventhappenseveryday.
Whatwouldbethreeconcernsifthefrequencyweretobeloweredtoeverytwotothreedays?
A.ToomuchworkisspentupdatingtheScrumBoardbeforemeeting.
BImpedimentsareraisedandresolvedmoreslowly
CTheProductOwnercannotaccuratelyreporttotheStakeholders
DTheScrumMasterlosestheabilitytoupdatetheGanttChartproperly
EOpportunitiestoinspectandadaptintheSprintBacklogarelost
FSprintPlanmaybecomeinaccurate
Answer:B,E,F
2WhataretworesponsibilitiesofTestersinaDevelopmentTeam?(choosethebesttwoanswers)
A.Trackingqualitymetrics.
BVerifyingtheworkofprogrammers
C.Scrumhasno"Tester"role.
DFindingbugs
E.EveryoneintheDevelopmentTeamisresponsibleforquality.
Answer:C,E
3Whatarethreeofthebestwaystoaddressnon-functionalrequirements?
AIncludethemintheProductBacklog
BBeforethereleasetheyshouldbetestedandvalidatedinahardeningSprint
CImportantrecurringnon-functionalrequirementscanbeaddedtotheDefinitionofDone
DSpecificexpectationscanbeusedasAcceptanceCriteriatospecificProductBacklogItems
EDiscussthemduringariskmitigationphasebeforedevelopment
FScrumisforfunctionalfront-enddevelopmentonly
Answer:A,C,D
4WhatfactorshouldbeconsideredwhenestablishingtheSprintlength?
A.TheorganizationhasmandatedsimilarlengthSprints.
BTheneedoftheteamtolearnondoingworkandmeasuringresults
C.Thefrequencyatwhichteamformationcanbechanged.
DTheorganizationreleaseschedule
Answer:B
5.WhocreatesdocumentationincludedwithanIncrement?
ATheProductOwner
BTheScrumMaster
CIncrementsdonotneeddocumentation
DTechnicalWriters
ETheDevelopers
Answer:E
6WhatistheroleofModelinginScrumTeams?
AModelsarenotusedbyagileteams
B.ModelsareassemblyinstructionsfortheDevelopers.
CModelsaremaintainedalongwiththeSoftwareasitemerges
D.Modelingmaybeusefultoincreasesharedunderstanding.
Answer:D
7WhichfourarebenefitsofTestDrivenDevelopment?
AItreducesthecostofmaintenanceovertime
BItensuresnodefectsarepresentinthecode
CItpromotesgooddesignandseparationofconcerns
DItcausesyoutoconstructatestharnessthatcanbeautomated
EItimprovesqualityandreducesbugs
Answer:A,C,D,E
8.WhichofthefollowingareadvantagesofContinuousIntegration?
AReduceeffortandriskwhenintegratingchanges
B.Readabilityofcodeisimproved.
CKnowimmediatelyhowachangeaffectedtheProduct
D.Thefeature-branchisgenerallykeptinabuildablestate.
Answer:A,C
9TrueorFalse:StakeholderscanbeincludedinProductBacklogRefinement?
AFalse
BTrue
Answer:B
10WhatarethetypicalroleswhenpracticingPairProgramming?
ADriverandNavigator
BFrontendandBackend
C.ProductOwnerandDeveloper.
DBusinessAnalystandDeveloper
E.TesterandDeveloper.
Answer:A
11Whatisamockobject?
A.Amockisawaytoinitializethedatabasefortesting.
BAtestobjectthatmimicsthebehaviorofadependencyinthesystemundertest
CAmockhelpsyoucreateabuildscript
DMocksstubsdummiesfakesandshimsareallthesame
Answer:B
12InwhatwaysdoDeveloperscontributetorefiningtheProductBacklog?
ATheymayupdateestimatesforProductBacklogItems
BTheyaskquestionsinordertoclarifytheintentofProductBacklogItems
CTheydonotTheDevelopersareonlyresponsibleforprioritizingtechnicalwork
D.Theygiveinputontechnicaldependencies.
ETheydonotTheScrumMasterandtheProductOwnerareresponsibleforProductBacklog Refinement.
Answer:A,B,D
13WhatactivitieswouldaProductOwnertypicallyundertakeinthephasebetweentheendofthecurrent SprintandthestartofthenextSprint?(choosethebestanswer)
ARefinetheProductBacklog
BTherearenosuchactivitiesThenextSprintstartsimmediatelyafterthecurrentSprint
CWorkwiththeQualityAssurancedepartmentsontheIncrementofthecurrentSprint
DUpdatetheprojectplanwithStakeholders
Answer:B
14.WhohasthefinaldecisionabouttheorderofitemsintheProductBacklog?
ATheStakeholders
B.TheScrumTeam.
CTheProductOwner
D.TheScrumMaster.
ETheDevelopers
Answer:C
15Whichtypesoftestscanbeautomated?
ASmoke
BIntegration
CPerformance
DFunctional
EUnit
FExploratory
Answer:A,B,C,D,E
16.Whiledevelopingnewfunctionalityyoufindabugthathasalreadybeendeliveredtothecustomer. Whatdoyoudo?
A.Revisethetestssothatthebugnolongerappearsonthebugreport.
BStuboutthecodethatcausedthebugsoitnolongeroccurs
C.Fixthebug.
DTalktotheProductOwner
Answer:D
17WhataresomedisadvantagesofCodeCoveragesasameasurementforhowwellasystemor Productistested?(choosebestthreeanswers)
ADeveloperscouldstopaddingmorevaluabletestsoncethetargetcoverageisachieved
BItdoesnotensurethatthemostimportantorhighestriskareasofthecodearebeingexercisedbythe tests
CItonlyprovideinsightsforprogrammers
D.ItistoocomplicatedtoexplaintoManagement.
EItcouldcreateincentivestowriteteststhatsimplyincreaseCodeCoverageratherthanteststhat findbugswithoutincreasingcoverage.
Answer:A,B,E
18WhatisTestFirstDevelopment(TFD)?
AThecontinuousrestructuringofSoftwaretoretainflexibility
BTestingexistingcodebeforeaddingmorecodetoit
CCreatingtestsbeforesatisfyingthem
DHavingtheTesterintheScrumTeamwritethetestplansbeforecoding
Answer:C
19WhenusingContinuousIntegrationhowoftenshouldthebuildbeexecuted?
A.BeforetheendoftheSprint.
BWheneverneworchangedcodeischeckedintoversioncontrol
C.Onceperday.
DOnceperhour
E.Whenevernewtestsarecreatedoruncertaintyarisesaboutwhetheroldtestswillpass.
Answer:B
20YouareaskedtorefactorpartofthecodebaseforApplicationXWhenyouaredoneallUnitTests passwith50%CodeCoverage
Whatcanyouinferfromthis?
AAtleast50%ofApplicationXfunctionscorrectly
BYoudidnotbreakanyexistingUnitTests
CTherearenobugspresentinApplicationX
DAtmost50%ofApplicationXfunctionscorrectly
Answer:B
21WhatisamergeinaVersionControlSystem?
A.Identifyingaparticularcodebaseasreadyfordistribution.
BTriggeringaDeploymentintoProduction
C.Combiningtwoormoreversionsofcodeintoasinglecodebase.
DCopyingaportionofacodebasetoisolateitfromtheoriginalcodebase
Answer:C
22WhenisPerformanceTestingmosteffectivelyperformed?
AInProduction
BJustbeforedeployingtoProduction
CAftercodingiscomplete
DOftenthroughoutdevelopmentoftheSoftware
Answer:D