PMP Process — Managing Technical Aspects Practice Question
A key vendor notifies you that they cannot deliver a critical component on time due to raw material shortages. This component is on the critical path and has no float. The vendor suggests using a substitute material that meets specifications but costs 20% more. What should the project manager do FIRST?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Submit a change request to evaluate the substitute material, including cost and schedule impacts
Any change to the procurement approach (substitute material) requires a change request to assess cost and schedule impacts before approval.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Invoke the penalty clause in the vendor contract for late delivery
Why it's wrong here
Invoking a penalty clause, while a contractual right, is typically a last resort and not the initial project management response to a critical vendor issue. This action is punitive and reactive, potentially escalating conflict and damaging the long-term vendor relationship without first exploring collaborative solutions or assessing the full impact of the proposed substitute. The immediate priority is to find a viable solution to keep the project on track, which requires analysis, not just retribution.
- ✗
Accept the vendor's suggestion to use the substitute material to avoid delay
Why it's wrong here
Accepting the vendor's substitute material without formal change control is a critical breach of project governance. This unilateral decision bypasses necessary impact analysis on scope, schedule, cost, and quality, and circumvents the formal approval process by the Change Control Board (CCB) or relevant stakeholders. Such an action introduces unmanaged risks and can lead to unauthorized budget overruns or scope creep, undermining project control.
- ✓
Submit a change request to evaluate the substitute material, including cost and schedule impacts
Why this is correct
Submitting a change request is the correct and most professional project management response. This action formally initiates the Integrated Change Control process, allowing for a structured evaluation of the substitute material's impact on all project baselines—scope, schedule, cost, and quality. It ensures that all stakeholders, including the Change Control Board, can review the proposed solution, understand its implications, and make an informed, approved decision, thereby maintaining project integrity and control.
- ✗
Look for alternative vendors who can deliver the original component on time
Why it's wrong here
Immediately searching for alternative vendors is premature and potentially inefficient without first evaluating the current vendor's proposed substitute. This approach is resource-intensive, time-consuming, and could introduce new procurement risks and delays, especially if the original component is specialized. The project manager should first assess the viability of the proposed solution through the change control process before expending significant effort on a potentially unnecessary vendor search.
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Senior Network & Security Engineer · founder of Courseiva
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