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問題 #28
A project manager is overseeing the quality assurance and quality control of an AI/machine learning (ML) model. The model has been trained and initial tests have shown promising results. However, the project manager is concerned about the long-term performance and reliability of the model in real-world scenarios.
What should the project manager do?
答案:C
解題說明:
PMI-CPMAI stresses that AI/ML models are not "one-and-done" artifacts; they must be managed across an operational lifecycle, including continuous monitoring, feedback, and improvement. The exam outline for CPMAI/PMI-CPMAI explicitly includes tasks such as monitoring deployed AI systems, detecting performance drift, and adapting models to changing data and business conditions.
Initial promising test results only indicate that the model works under current test conditions. In real-world environments, data distributions, usage patterns, and operating contexts evolve. Without ongoing monitoring and feedback loops, the project manager cannot reliably detect degradation (e.g., accuracy drop, bias drift, latency issues) or emerging risks. PMI-aligned AI lifecycle practices emphasize setting up metrics, alerts, logging, human-in-the-loop review where appropriate, and structured mechanisms to feed production insights back into retraining or re-engineering efforts.
Options A, C, and D (hyperparameter tuning, larger cross-validation, data augmentation) are valuable development-phase techniques, but they do not address long-term, in-production reliability. PMI-CPMAI focuses on operationalization and value realization, making establishing continuous monitoring and feedback loops (option B) the correct action to protect long-term performance and trustworthiness.
問題 #29
An IT services company project manager is creating an AI project scope statement. They need to include details on the environments, devices, and personnel that will use the AI solution.
What should the project manager do?
答案:C
解題說明:
The best answer is B. Develop a comprehensive usage scenario analysis . In PMI-CPMAI, a strong AI scope statement must reflect how and where the solution will actually be used. That includes the operating environment, device context, user roles, workflow touchpoints, and practical implementation assumptions.
PMI's exam outline emphasizes defining the AI project scope, documenting assumptions and constraints, planning integration with existing systems and workflows, and establishing solution requirements that support successful deployment and adoption.
A usage scenario analysis is the best way to capture those details because it translates business intent into realistic operational conditions: who will use the system, on what devices, in which environments, and under what constraints. A technical requirements audit may come later, but it is not the best primary method for describing user context in the scope statement. Stakeholder buy-in is important for alignment, yet it does not itself generate the needed scope content. "AI efficacy program" is not the clearest PMI-CPMAI-aligned artifact for this task. Since the question asks what the project manager should do to include environments, devices, and personnel in scope, scenario analysis is the most direct and defensible PMI-style answer.
問題 #30
In a government healthcare AI project, the objective is to reduce patient wait times by optimizing staff schedules. After 6 months, the cost is US$500,000 with a completion rate of 60%. The project manager needs to determine the return on investment (ROI) to justify the current expenditure. What is an effective method to achieve this objective?
答案:B
解題說明:
PMI-CPMAI expects the project manager to determine ROI by calculating expected benefits, estimating total cost of ownership, developing a financially justified business case, and creating cost-benefit analysis to support stakeholder decisions. In this scenario, the project is only 60% complete, so the full benefits (reduced wait times, throughput gains, staffing efficiency) may not yet be fully realized or measurable. Under PMI's ROI determination intent-supporting business case justification while outcomes are still unfolding-an effective method is to project future benefits and compare them to investment, which is what an NPV model enables. NPV is useful when benefits accrue over time and when decision makers need a defensible view of value before full delivery, because it discounts future benefits and costs into today's terms for comparison.
Option B is attractive but assumes benefits are already fully observable and monetized; in many public-sector healthcare settings, translating wait-time reductions into verified cash savings can be nontrivial midstream.
Options C and D are not explicitly called out in PMI-CPMAI's ROI determination tasks, while the outline explicitly emphasizes financial justification and cost-benefit framing-well supported by NPV.
問題 #31
An AI project for a financial technology client is at risk due to potential inaccuracies in data aggregation.
What is the first step the project manager should take to mitigate the risk?
答案:C
解題說明:
PMI's CPMAI/PMI-CPMAI approach stresses that risk mitigation for data issues starts in the Data Understanding work: identifying appropriate datasets, evaluating training data requirements, and validating data quality/ground truth before proceeding. In practical PMI terms, the project manager should first understand the data characteristics-sources and ownership, schemas, join keys, aggregation logic, definitions, completeness, and known constraints-because aggregation inaccuracies often come from mismatched definitions, inconsistent granularity, duplicate entities, or transformation errors. This aligns with PMI guidance that teams must "identify data needs," "locate and characterize data," and then assess quality attributes like accuracy, completeness, and consistency to determine preparation effort and readiness.
Evaluating freshness/relevance (B) can matter, but it does not address the root causes of aggregation error as reliably as establishing a clear understanding of structure and lineage first. Deleting data manually (C) is a high-risk, non-governed reaction that can destroy evidence and introduce bias; visualization (D) can help communicate issues but is not the first mitigation step. Therefore, PMI-aligned practice is to begin by understanding the data characteristics.
問題 #32
A telecommunications company is considering an AI solution to improve customer service through automated chatbots. The project team is assessing the feasibility of the AI solution by examining its potential scalability and effectiveness. What will present the highest risk to the company?
答案:B
問題 #33
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