QUESTION: 21

You are the project manager of the NHQ Project. You have created the project network diagram as shown in the figure:

You are concerned about a risk on Activity G that if it happens will delay the project by four days. You would like to utilize float for Activity G . How much float is available for Activity G to help offset the risk event?

Five days
Four days
Eleven days
Zero

Answer(s): D

Explanation:

There is no float available for Activity G because it is on the critical path. Float or total float (TF) is the total amount of time that a schedule activity may be delayed from its early start date without delaying the project finish date, or violating a schedule constraint. It is calculated by using the critical path method technique and determining the difference between the early finish dates and late finish dates. Answer options B, A, and C are incorrect. There is no float available for Activity G because it is on the critical path.

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QUESTION: 22

Beth is the project manager for her organization. Her current project has many deliverables that have been defined at a high level, but the details of the deliverables are still unknown. In her project, Beth is planning in detail only the activities that are most imminent in the project work. This approach to project management planning is known as what?

Imminent activity management
Rolling wave planning
Predecessor-only diagramming
Decomposition

Answer(s): B

Explanation:

Rolling wave planning is a technique to plan and do the most imminent project work before moving onto the details that are far off in the project schedule and project plan. Rolling wave planning is a technique for performing progressive elaboration planning where the work to be accomplished in the near future is planned in detail at a low level of the work breakdown structure. The work to be performed within another one or two reporting periods in the near future is planned in detail as work is being completed during the current period.
Answer option D is incorrect. Decomposition is the process of breaking down work packages into the activity list. Answer options A and C are incorrect. These are not valid project management terms.

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QUESTION: 23

Gina is the project manager for her organization and she is working with her project team to define the project activities. In this project, the stakeholders are sensitive to the project completion date, so Gina is stressing to her project team members that while they need to provide and account for all of the project activities, they should focus on one work package in the WBS at a time. In order to start the decomposition of the project work packages into activities, Gina will need all of the following except for which one?

Scope baseline
Organizational process assets
WBS
Enterprise environmental factors

Answer(s): C

Explanation:

According to the PMBOK, Gina will not need the WBS directly, but will rely on the scope baseline.A Work Breakdown Structure (WBS) in project management is a tool that defines a project and groups the project's discrete work elements in a way that helps organize and define the total work scope of the project. A WBS element may be a product, data, a service, or any combination. WBS also provides the necessary framework for detailed cost estimating and control along with providing guidance for schedule development and control.
Answer option A is incorrect. The scope baseline is an input to define the project activities.
Answer option D is incorrect. Enterprise environmental factors are an input to define the project activities.
Answer option B is incorrect. Organizational process assets are an input to define the project activities.

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QUESTION: 24

You have created the project network diagram for the ABC project. You are exploring total float and free float for that project. Martin, a project team member, wants to know the difference between total float and free float.
What is the difference between total float and free float?

Total float is the amount of time an activity can be delayed without delaying any project successors, whereas free float is the amount of time an activity can be delayed without delaying the project completion date.
Total float is the amount of time an activity can be delayed without delaying the project completion date, whereas free float is the amount of time an activity can be delayed without delaying any project successors.
Total float is the amount of time an activity can be delayed without delaying the project completion date, whereas free float is the amount of time an activity can be delayed without delaying any project predecessors.
Total float is the amount of time a non-critical activity can be delayed without delaying any project successors, whereas free float is the amount of time an activity can be delayed without delaying the project completion date.

Answer(s): B

Explanation:

Total float is the time you can delay an activity without delaying the project end date, whereas free float is on each activity and does not affect the early start date of successor activities. Float, also called slack, is the amount of time an activity can be delayed without affecting any subsequent activities. There are two types of floats available: Free Float: It is the amount of time a schedule activity can be delayed without delaying the early start date of any immediately following schedule activities. Total Float: It is the total amount of time that a schedule activity may be delayed

from its early start date without delaying the project finish date, or violating schedule constraint. Float is calculated by using the critical path method technique. Answer options C, A, and D are incorrect. These are not accurate definitions of free float and total float.

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