Project Life Cycle

The ordered progression of phases a project moves through, from its beginning to its end.

Key Points

  • Structures the project into distinct phases that may be sequential or overlapping.
  • Phase names and counts vary by organization and industry (e.g., concept, planning, execution, closure).
  • Includes governance checkpoints (phase gates) for go/no-go or continue decisions between phases.
  • Different from process groups; the process groups can repeat within each life cycle phase.

Example

An engineering firm uses a four-phase life cycle: concept, design, build, and closeout. After design, a phase-gate review checks drawings, budget, and risks to authorize moving into construction.

PMP Example Question

Which statement best describes the project life cycle?

  1. A set of related phases that take a project from beginning to end.
  2. The five process groups: Initiating, Planning, Executing, Monitoring and Controlling, and Closing.
  3. The sequence of stages a product goes through from market launch to retirement.
  4. The organizational methodology used to manage portfolios.

Correct Answer: A — Project life cycle

Explanation: The project life cycle is the structured series of project phases; process groups (B) repeat within phases, product life cycle (C) concerns the product, and (D) relates to portfolio management.

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