Iron Triangle — PMI CAPM Practice Questions

The iron triangle is another name for the triple constraint model that represents the interdependence of scope, time, and cost on a project. On the CAPM exam, this concept is used to illustrate that a project manager cannot change one side of the triangle without affecting at least one other side, requiring deliberate trade-off decisions and stakeholder negotiation. Understanding the iron triangle helps candidates answer scenario questions about what happens when a client requests additional features late in the project or when the budget is suddenly reduced.

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