WBS, critical path method, float, estimation techniques, budgeting and baseline control.
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- What is a Work Breakdown Structure (WBS)?
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A hierarchical decomposition of the project scope into smaller, manageable work components, organized by phase or deliverable.- What is the primary purpose of creating a WBS?
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To organize and define the total scope of work, clarify deliverables, and establish a framework for planning and control.- What is the lowest level in a WBS called?
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Work package, the level at which work is planned, estimated, and controlled.- Define the Critical Path in project management.
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The longest sequence of dependent activities that determines the minimum project duration.- How is the Critical Path identified?
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By performing forward and backward pass calculations through the network diagram to find the path with the longest total duration.- What is the forward pass in Critical Path Method?
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A calculation that determines the earliest start and earliest finish dates for each activity by moving forward through the network.- What is the backward pass in Critical Path Method?
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A calculation that determines the latest start and latest finish dates for each activity by moving backward through the network.- What is Total Float?
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The amount of time an activity can be delayed without delaying the project completion date, calculated as LS minus ES (or LF minus EF).- What is Free Float?
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The amount of time an activity can be delayed without delaying the early start of any successor activity.- Which activities have zero float?
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Activities on the critical path, as any delay in these activities will delay project completion.- What is the Three-Point Estimation technique?
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An estimation method using optimistic, pessimistic, and most likely values to calculate expected duration or cost.- What is the PERT formula for expected duration?
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Expected duration equals (Optimistic plus 4 times Most Likely plus Pessimistic) divided by 6.- What is Parametric Estimation?
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A statistical technique that uses project parameters and historical data to estimate costs or durations for activities.- What is Analogous Estimation?
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A technique that uses historical data from similar projects to estimate costs or durations for current project activities.- What is Bottom-Up Estimation?
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An estimation approach where detailed estimates are developed for individual work packages and then aggregated to higher levels.
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