PMP Question of the Week: Critical Path Method

December 29, 2014 Guest Authors Cisco, Cloudera, Featured, Professional Development, Project Management, Routing & Switching, Technology, Training in Business

Which of the following is not true when estimating project duration using the critical path method?

A. A critical path can run over a dummy.
B. There can be more than one critical path.
C. There can be negative float on a project.
D. Crashing or fast tracking to eliminate negative float is not a viable option.

Reveal Answer

The correct answer is D.

Crashing or fast tracking should be done by the project manager to eliminate negative float. Negative float means the project will deliver after an imposed deadline, so it is behind schedule.

With answer A, a dummy represents a logical relationship, so it can be run over by a critical path. With B, a project can have more than one critical path, which makes it riskier. Answer C is also true because any time that the project’s current performance is later that the approved schedule baseline, the project is experiencing negative slack.

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