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Guide to the Critical Path Method

The Critical Path Method (CPM) is an essential tool in project management. It is a way of calculating the 'critical path' in a project, which is the sequence of tasks that must be completed on time for the entire project to be completed on time.
The critical path is important because it identifies the tasks that directly impact the project's completion date. Delay in any task on the critical path directly impacts the project end date. Thus, understanding CPM is key to effective project scheduling and management.
Here's how CPM works:
1. List all tasks needed to complete the project.
2. Estimate how long each task will take.
3. Determine the dependencies between the tasks.
4. Draw the network diagram.
5. Identify all the paths through the network diagram.
6. Calculate the length of each path.
7. The longest path is the critical path.
Exam Tips: Answering Questions on Critical Path
1. Understand the concept of critical path thoroughly. This is key to answering any high-level questions about its importance or how it works.
2. Practice drawing network diagrams. Many exam questions may require you to draw a network diagram and identify the critical path.
3. Be comfortable with calculating the length of each path. This is crucial when determining the critical path.
4. Use real-life examples to illustrate your understanding. This can make your answers more concrete and relatable.

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Critical Path practice test

The Critical Path is the sequence of tasks that forms the longest duration allowing the project to be completed in the shortest time. Any delay in these tasks would directly result in a delay of the entire project. Therefore, they have zero 'float.' Decisive in the CPM, the critical path helps identify the tasks that should be closely managed and controlled to ensure the project's successful and timely completion.

Time: 5 minutes   Questions: 5

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Certified Associate in Project Management Preparation Package (2024)

  • Earn 15 PDUs needed for your CAPM certification
  • 8521 Superior-grade Certified Associate in Project Management practice questions.
  • Accelerated Mastery: Deep dive into critical topics to fast-track your mastery.
  • Unlock Effortless CAPM preparation: 5 full exams.
  • 100% Satisfaction Guaranteed: Full refund with no questions if unsatisfied.
  • Bonus: If you upgrade now you get upgraded access to all courses
  • Risk-Free Decision: Start with a 7-day free trial - get premium features at no cost!