There are strong parallels between Cost estimating and Time estimating, as you will see if you compare the ITTO’s (Inputs, Tolls & Techniques, and Outputs) of the estimating processes.
Time Management and Professional Responsibility are two of the more difficult knowledge areas in the exam. Part of the reason is (I think) that with Professional Responsibility it is simply underestimated during study, and the fact that it is not elaborated in PMBOK means that you have to look elsewhere for information on it. And with Time questions the exam requires you to work out manually what project management software does automatically. Just a reminder here – there are no questions on specific project management software in the exam, so MS Project and Primavera etc won’t rate a mention.
Time Management, as with the other knowledge areas, is recursive (looped-through and refined throughout the project). During the recursions, details are finalised and fed back into the Scope Baseline (scope plan, WBS and WBS Dictionary), Activity List and so on, so that a clearer and truer picture of the project emerges.
The WBS is the “big picture” of the entire project and comprises all the deliverables, down to work package level. And so it should come as no surprise that it is a major input to the Define Activities process.
But unlike previous versions of PMBOK, in the Fourth edition, the WBS, is not used by itself as an input, but rather it is combined with the detailed Project Scope Statement and the WBS Dictionary, and the combination of the three referred to as the “Scope Baseline”, it’s important you remember this: …..
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