PMP · Question #333
A vendor supplying a piece of specialized equipment for a project has reported the potential for a delivery delay due to a technical issue with the sub-supplier. To stay on schedule, the vendor propos
The correct answer is D. Consult with a subject matter expert (SME) to see if the proposed change is acceptable. Given a vendor's proposed technical component replacement due to a potential delay, the project manager should consult a Subject Matter Expert (SME) to assess its acceptability and impact on the project.
Question
Options
- AAccept the proposed replacement in order to keep procurement activities on track
- BInsist on using the component per the project specifications and air freight the equipment to
- CInstruct the vendor to use the part that is compliant with the project specifications and update the
- DConsult with a subject matter expert (SME) to see if the proposed change is acceptable
How the community answered
(46 responses)- A22% (10)
- B9% (4)
- C4% (2)
- D65% (30)
Why each option
Given a vendor's proposed technical component replacement due to a potential delay, the project manager should consult a Subject Matter Expert (SME) to assess its acceptability and impact on the project.
Accepting the replacement without evaluating its suitability is risky, as it might compromise project quality, performance, or introduce unforeseen issues.
Insisting on the original component and air freighting is a costly and potentially unnecessary solution without first understanding if the proposed alternative is viable.
Instructing the vendor to use the compliant part implies ignoring the proposed solution, and simply updating the project records doesn't address the vendor's actual delay or the need to find an effective solution.
The proposed change involves a technical component different from the specifications. Consulting a Subject Matter Expert (SME) is crucial to evaluate if the alternative part meets functional requirements, quality standards, and does not introduce new risks to the project, allowing for an valid, informed decision.
Concept tested: Managing vendor proposed changes and technical assessment
Source: https://www.pmi.org/learning/library/decision-making-techniques-expert-judgment-6479
Topics
Community Discussion
5
Olusegun A.Jul 2, 2026D is correct. You never accept a spec substitution on your own authority, and you never just refuse without evaluating the impact. You pull in an SME to assess whether the proposed part meets the technical requirements, then make a decision based on facts rather than guesswork.
Orla P.Jul 4, 2026Good call on D, and one small add: if the SME assessment shows the proposed part does meet specs, you still document the substitution and notify the customer or sponsor so there is a paper trail, not just an internal sign-off.
Orla P.Jul 5, 2026D is correct. Saw this on my exam last month and almost picked C because it sounded authoritative, but the key word is "similar" - you don't actually know if the replacement will work, so you pull in an SME before committing to anything.
Nina C.Jun 29, 2026Going with C here. The project specs exist for a reason and the PM should direct the vendor to stick with the compliant part, then update the schedule or documentation to reflect whatever impact that has.
Olusegun A.Jul 1, 2026Nina, D is correct here. The vendor is proposing an equivalent alternative, so the right move is to review the proposed substitute against requirements and run it through the change control process before rejecting or accepting it, not just directing compliance on the spot.