Which Develop Schedule tool and technique produces a theoretical early start date and late start date?
Answer(s): A
6.6.2.2 Critical Path MethodThe critical path method, which is a method used to estimate the minimum project duration and determine the amount of scheduling flexibility on the logical network paths within the schedule model. This schedule network analysis technique calculates the early start, early finish, late start, and late finish dates for all activities without regard for any resource limitations by performing a forward and backward pass analysis through the schedule network, as shown in Figure 6-18. In this example the longest path includes activities A, C, and D, and, therefore, the sequence of A-C-D is the critical path. The critical path is the sequence of activities that represents the longest path through a project, which determines the shortest possible project duration. The resulting early and late start and finish dates are not necessarily the project schedule, rather they indicate the time periods within which the activity could be executed, using the parameters entered in the schedule model for activity durations, logical relationships, leads, lags, and other known constraints. The critical path method is used to calculate the amount of scheduling flexibility on the logical network paths within the schedule model.On any network path, the schedule flexibility is measured by the amount of time that a schedule activity can be delayed or extended from its early start date without delaying the project finish date or violating a schedule constraint, and is termed “total float.” A CPM critical path is normally characterized by zero total float on the critical path. As implemented with PDM sequencing, critical paths may have positive, zero, or negative total float depending on constraints applied. Any activity on the critical path is called a critical path activity. Positive total float is caused when the backward pass is calculated from a schedule constraint that is later than the early finish date that has been calculated during forward pass calculation. Negative total float is caused when a constraint on the late dates is violated by duration and logic. Schedule networks may have multiple near-critical paths. Process: 6.6 Develop ScheduleDefinition: The process of analyzing activity sequences, durations, resource requirements, and schedule constraints to create the project schedule model.Key Benefit: The key benefit of this process is that by entering schedule activities, durations, resources, resource availabilities, and logical relationships into the scheduling tool, it generates a schedule model with planned dates for completing project activities.Inputs1. Schedule management plan2. Activity list3. Activity attributes4. Project schedule network diagrams5. Activity resource requirements6. Resource calendars7. Activity duration estimates8. Project scope statement9. Risk register10. Project staff assignments11. Resource breakdown structure12. Enterprise environmental factors13. Organizational process assetsTools & Techniques1. Schedule network analysis2. Critical path method3. Critical chain method4. Resource optimization techniques5. Modeling techniques6. Leads and lags7. Schedule compression8. .Scheduling toolOutputs1. Schedule baseline2. .Project schedule3. Schedule data4. Project calendars5. Project management plan updates6. Project documents updates
Perform Quality Control is accomplished by:
Answer(s): B
Which type of estimating can produce higher levels of accuracy, depending upon the sophistication and underlying data built into the model?
Answer(s): C
7.2.2.3 Parametric EstimatingParametric estimating uses a statistical relationship between relevant historical data and other variables (e.g., square footage in construction) to calculate a cost estimate for project work. This technique can produce higher levels of accuracy depending upon the sophistication and underlying data built into the model. Parametric cost estimates can be applied to a total project or to segments of a project, in conjunction with other estimating methods.
Activity resource requirements and the resource breakdown structure (RBS) are outputs of which Project Time Management process?
Answer(s): D
6.4.3.2 Resource Breakdown StructureThe resource breakdown structure is a hierarchical representation of resources by category and type. Examples of resource categories include labor, material, equipment, and supplies. Resource types may include the skill level, grade level, or other information as appropriate to the project. The resource breakdown structure is useful for organizing and reporting project schedule data with resource utilization information.Process: 6.4 Estimate Activity ResourcesDefinition: Activity Resources is the process of estimating the type and quantities of material, human resources, equipment, or supplies required to perform each activity.Key Benefit: The key benefit of this process is that it identifies the type, quantity, and characteristics of resources required to complete the activity which allows more accurate cost and duration estimates.Inputs1. Schedule management plan2. Activity list3. Activity attributes4. Resource calendars5. Risk register6. Activity cost estimates7. Enterprise environmental factors8. Organizational process assets Tools & Techniques1. Expert judgment2. Alternative analysis3. Published estimating data4. Bottom-up estimating5. Project management softwareOutputs1. Activity resource requirements2. Resource breakdown structure3. Project documents updates
Which of the following statements best describes the influence of stakeholders and the cost of changes as project time advances?
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