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7 Cards in this Set
- Front
- Back
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How does a WBS differ from the project network?
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The project network is a visual flow diagram of the sequence, interrelationships, and dependencies of all the activities that must be accomplished to complete the project; however, the WBS is the method that successively subdivides the work of the project into smaller detail.
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How are WBS and project networks linked?
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Project networks are developed from the WBS. Work packages from the WBS are used to build the activities fond in the project network.
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Why bother creating a WBS? Why not just go straight to a project network and forget the WBS?
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Because the project network diagram cannot be created effectively without a proper WBS and because the WBS is an integral part of planning activities in the project.
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Why is slack important to a project manager?
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Because it is very rare that things don't change while working on a project. Without slack time it will be very challenging to be able to manage the project in a flexible way without causing tasks to be stuck or not have time to handle urgent things that were introduced.
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What is the difference between free slack and total slack?
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free slack is the number of days that an activity can have before it starts delaying the next activity.
total slack is the amount of days that activity can have before it starts delaying the whole project. |
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Why are lags used in developing project networks?
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A lag is “the minimum amount of time a dependent activity must be delayed to begin or end.” Lags are used to provide greater flexibility in network construction and are use in developing project networks for two primary reasons:
• To avoid delays and reduce network details when activities of long duration delay the start or finish of success activities. • To constrain the start and finish of an activity. |
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What is a hammock activity and when is it used?
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A hammock activity is a grouping of subtasks that spans over a segment of a project. Hammock activities are used to identify the use of fixed resources or costs over a segment of the project. They may also be used to aggregate sections of a project and facilitate getting the right level of detail for specific sections of the project.
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