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WGU Operations Management Exam - Topic 4 Question 7 Discussion

Actual exam question for WGU's WGU Operations Management exam
Question #: 7
Topic #: 4
[All WGU Operations Management Questions]

Which tier-level supplier directly supplies materials or services to a processing and packaging plant?

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Suggested Answer: A

Comprehensive and Detailed Explanation (250 words):

Tier one suppliers directly supply materials or services to a processing and packaging plant.

In supply chain hierarchy:

Tier one suppliers deliver components, raw materials, or services directly to the manufacturer

Tier two suppliers supply tier one

Tier three and beyond supply upstream tiers

JIT systems rely heavily on tier one suppliers because:

Delivery frequency is high

Quality must be consistent

Lead times must be short

Coordination must be tight

Operations Management stresses the importance of strong partnerships with tier one suppliers to ensure uninterrupted flow and minimal inventory.


by Ailene at Apr 09, 2026, 02:24 PM

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Herman
18 days ago
I thought it was B) Tier two suppliers?
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Trinidad
23 days ago
Definitely A) Tier one suppliers. They’re the main ones!
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Vilma
1 month ago
I thought Tier two suppliers were also important, but I guess they might supply to Tier one instead? Not completely confident on this.
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Thersa
1 month ago
I practiced a similar question where Tier one was mentioned as the direct supplier. I feel like that’s the right answer here too.
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Renea
2 months ago
I'm not really sure about this one. I remember something about different tiers, but I can't recall which one is direct.
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Geoffrey
2 months ago
I think it's Tier one suppliers since they are usually the ones that deal directly with the manufacturers.
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