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mayoccuratthesametime(inparallel),butperformingtheactivitiesinsequentialorderreducesthe
overallprojectrisk.Discretionarydependenciesshouldbefullydocumentedsincetheycan create
arbitrarytotal
- Answer: D.
PMBOK® Guide, pages 183 – 184 , Figure 6 – 5 , Section 6. 2. 1
Define Activities: Inputs.
1.Schedule ManagementPlan.
2.ScopeBaseline.
3.Enterprise EnvironmentalFactors.
4.Organizational ProcessAssets.
85.Answer:C.
PMBOK® Guide, page 217 , Section 6. 5. 3. 2 ; page 219 , Figure 6 – 21
ProjectSchedule
AlsoknownasGanttcharts,barchartsrepresentscheduleinformationwhereactivitiesarelistedon
the vertical axis, dates are shown on the horizontal axis, and activitydurations areshown as
horizontalbarsplacedaccordingtostartandfinishdates.Barchartsarerelativelyeasytoreadand
arecommonlyused.Depending onthe audience,float canbedepicted ornot.Forcontroland
managementcommunications,thebroader,morecomprehensivesummaryactivityisusedbetween
milestonesoracrossmultipleinterdependentworkpackagesandisdisplayedinbarchartreports.
86.Answer: C.
PMBOK® Guide, pages 189 – 190 , Section 6. 3. 2. 1
Precedence Diagramming Method
Theprecedencediagrammingmethod(PDM)isatechniqueusedforconstructingaschedulemodel
inwhich activitiesarerepresentedby nodes and aregraphically linkedby one or morelogical
relationshipstoshowthesequenceinwhichtheactivitiesaretobeperformed.PDMincludesfour
typesof dependenciesor logicalrelationships.A predecessoractivityis anactivitythatlogically
comesbeforeadependentactivityinaschedule.Asuccessoractivityisadependentactivitythat
logicallycomesafteranotheractivityinaschedule.
Floatvaluesandcanlimitlaterschedulingoptions.Whenfasttracking techniquesareemployed,
thesediscretionarydependenciesshouldbereviewedandconsideredformodificationorremoval.
Theprojectteamdetermineswhichdependenciesarediscretionaryduringtheprocessofsequencing
theactivities.
Externaldependencies.Externaldependenciesinvolvearelationshipbetweenprojectactivitiesand
non-projectactivities.Thesedependenciesareusuallyoutsideofthe projectteam'scontrol.For
example,thetestingactivityinasoftwareprojectmaybedependentonthedeliveryofhardware
fromanexternalsource,orgovernmentalenvironmentalhearingsmayneedtobeheldbeforesite
preparationcanbeginonaconstructionproject.Theprojectmanagementteamdetermineswhich
dependenciesareexternalduringtheprocessofsequencingtheactivities.