QQuestionInformation Technology
QuestionInformation Technology
"Which one of the following best describes the critical path of a PERT/CPM network?
A. The sequence of activities between a project's start and finish that has the maximum amount of activity slack.
B. The set of activities that has no precedence relationships.
C. The sequence of activities that has the lowest normal activity cost.
D. The sequence of activities between a project's start and finish that takes the longest time to complete.
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Answer
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Step 1:Let's solve this step by step:
Step 2:: Understanding PERT/CPM Network Concepts
PERT (Program Evaluation and Review Technique) and CPM (Critical Path Method) are project management techniques used to analyze and schedule project activities.
Step 3:: Defining Critical Path
The critical path is the sequence of project activities that determines the overall duration of the project. It represents the longest path through the project network.
Step 4:: Analyzing the Given Options
A. Incorrect - This describes the path with maximum slack (flexibility), not the critical path. B. Incorrect - This describes activities without precedence relationships, which is not the critical path. C. Incorrect - This relates to cost, not time duration. D. Correct - This precisely defines the critical path as the sequence of activities that takes the longest time to complete.
Step 5:: Key Characteristics of the Critical Path
- It represents the longest sequence of activities - Any delay in activities on this path will directly delay the entire project - Has zero slack time - Determines the minimum time required to complete the project
Final Answer
The sequence of activities between a project's start and finish that takes the longest time to complete. Explanation: The critical path is the longest path through a project network, representing the minimum time needed to complete the entire project. Any delay in activities on this path will extend the total project duration.
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